--- /dev/null
+FD_CLR sys_select.h pselect, select - synchronous I/O multiplexing
+FD_ISSET sys_select.h pselect, select - synchronous I/O multiplexing
+FD_SET sys_select.h pselect, select - synchronous I/O multiplexing
+FD_ZERO sys_select.h pselect, select - synchronous I/O multiplexing
+_Exit stdlib.h unistd.h _Exit, _exit - terminate a process
+_exit stdlib.h unistd.h _Exit, _exit - terminate a process
+_longjmp setjmp.h OB XSI _longjmp, _setjmp - non-local goto
+_setjmp setjmp.h OB XSI _longjmp, _setjmp - non-local goto
+_tolower ctype.h OB XSI _tolower - transliterate uppercase characters to lowercase
+_toupper ctype.h OB XSI _toupper - transliterate lowercase characters to uppercase
+a64l stdlib.h XSI a64l, l64a - convert between a 32-bit integer and a radix-64 ASCII string
+abort stdlib.h abort - generate an abnormal process abort
+abs stdlib.h abs - return an integer absolute value
+accept sys_socket.h accept - accept a new connection on a socket
+access unistd.h access, faccessat - determine accessibility of a file relative to directory file descriptor
+acos math.h acos, acosf, acosl - arc cosine functions
+acosf math.h acos, acosf, acosl - arc cosine functions
+acosh math.h acosh, acoshf, acoshl - inverse hyperbolic cosine functions
+acoshf math.h acosh, acoshf, acoshl - inverse hyperbolic cosine functions
+acoshl math.h acosh, acoshf, acoshl - inverse hyperbolic cosine functions
+acosl math.h acos, acosf, acosl - arc cosine functions
+aio_cancel aio.h aio_cancel - cancel an asynchronous I/O request
+aio_error aio.h aio_error - retrieve errors status for an asynchronous I/O operation
+aio_fsync aio.h aio_fsync - asynchronous file synchronization
+aio_read aio.h aio_read - asynchronous read from a file
+aio_return aio.h aio_return - retrieve return status of an asynchronous I/O operation
+aio_suspend aio.h aio_suspend - wait for an asynchronous I/O request
+aio_write aio.h aio_write - asynchronous write to a file
+alarm unistd.h alarm - schedule an alarm signal
+alphasort dirent.h alphasort, scandir - scan a directory
+asctime time.h OB OB CX asctime, asctime_r - convert date and time to a string
+asctime_r time.h OB OB CX asctime, asctime_r - convert date and time to a string
+asin math.h asin, asinf, asinl - arc sine function
+asinf math.h asin, asinf, asinl - arc sine function
+asinh math.h asinh, asinhf, asinhl - inverse hyperbolic sine functions
+asinhf math.h asinh, asinhf, asinhl - inverse hyperbolic sine functions
+asinhl math.h asinh, asinhf, asinhl - inverse hyperbolic sine functions
+asinl math.h asin, asinf, asinl - arc sine function
+assert assert.h assert - insert program diagnostics
+atan math.h atan, atanf, atanl - arc tangent function
+atan2 math.h atan2, atan2f, atan2l - arc tangent functions
+atan2f math.h atan2, atan2f, atan2l - arc tangent functions
+atan2l math.h atan2, atan2f, atan2l - arc tangent functions
+atanf math.h atan, atanf, atanl - arc tangent function
+atanh math.h atanh, atanhf, atanhl - inverse hyperbolic tangent functions
+atanhf math.h atanh, atanhf, atanhl - inverse hyperbolic tangent functions
+atanhl math.h atanh, atanhf, atanhl - inverse hyperbolic tangent functions
+atanl math.h atan, atanf, atanl - arc tangent function
+atexit stdlib.h atexit - register a function to run at process termination
+atof stdlib.h atof - convert a string to a double-precision number
+atoi stdlib.h atoi - convert a string to an integer
+atol stdlib.h atol, atoll - convert a string to a long integer
+atoll stdlib.h atol, atoll - convert a string to a long integer
+basename libgen.h XSI basename - return the last component of a pathname
+bind sys_socket.h bind - bind a name to a socket
+bsearch stdlib.h bsearch - binary search a sorted table
+btowc stdio.h wchar.h btowc - single byte to wide character conversion
+cabs complex.h cabs, cabsf, cabsl - return a complex absolute value
+cabsf complex.h cabs, cabsf, cabsl - return a complex absolute value
+cabsl complex.h cabs, cabsf, cabsl - return a complex absolute value
+cacos complex.h cacos, cacosf, cacosl - complex arc cosine functions
+cacosf complex.h cacos, cacosf, cacosl - complex arc cosine functions
+cacosh complex.h cacosh, cacoshf, cacoshl - complex arc hyperbolic cosine functions
+cacoshf complex.h cacosh, cacoshf, cacoshl - complex arc hyperbolic cosine functions
+cacoshl complex.h cacosh, cacoshf, cacoshl - complex arc hyperbolic cosine functions
+cacosl complex.h cacos, cacosf, cacosl - complex arc cosine functions
+calloc stdlib.h calloc - a memory allocator
+carg complex.h carg, cargf, cargl - complex argument functions
+cargf complex.h carg, cargf, cargl - complex argument functions
+cargl complex.h carg, cargf, cargl - complex argument functions
+casin complex.h casin, casinf, casinl - complex arc sine functions
+casinf complex.h casin, casinf, casinl - complex arc sine functions
+casinh complex.h casinh, casinhf, casinhl - complex arc hyperbolic sine functions
+casinhf complex.h casinh, casinhf, casinhl - complex arc hyperbolic sine functions
+casinhl complex.h casinh, casinhf, casinhl - complex arc hyperbolic sine functions
+casinl complex.h casin, casinf, casinl - complex arc sine functions
+catan complex.h catan, catanf, catanl - complex arc tangent functions
+catanf complex.h catan, catanf, catanl - complex arc tangent functions
+catanh complex.h catanh, catanhf, catanhl - complex arc hyperbolic tangent functions
+catanhf complex.h catanh, catanhf, catanhl - complex arc hyperbolic tangent functions
+catanhl complex.h catanh, catanhf, catanhl - complex arc hyperbolic tangent functions
+catanl complex.h catan, catanf, catanl - complex arc tangent functions
+catclose nl_types.h catclose - close a message catalog descriptor
+catgets nl_types.h catgets - read a program message
+catopen nl_types.h catopen - open a message catalog
+cbrt math.h cbrt, cbrtf, cbrtl - cube root functions
+cbrtf math.h cbrt, cbrtf, cbrtl - cube root functions
+cbrtl math.h cbrt, cbrtf, cbrtl - cube root functions
+ccos complex.h ccos, ccosf, ccosl - complex cosine functions
+ccosf complex.h ccos, ccosf, ccosl - complex cosine functions
+ccosh complex.h ccosh, ccoshf, ccoshl - complex hyperbolic cosine functions
+ccoshf complex.h ccosh, ccoshf, ccoshl - complex hyperbolic cosine functions
+ccoshl complex.h ccosh, ccoshf, ccoshl - complex hyperbolic cosine functions
+ccosl complex.h ccos, ccosf, ccosl - complex cosine functions
+ceil math.h ceil, ceilf, ceill - ceiling value function
+ceilf math.h ceil, ceilf, ceill - ceiling value function
+ceill math.h ceil, ceilf, ceill - ceiling value function
+cexp complex.h cexp, cexpf, cexpl - complex exponential functions
+cexpf complex.h cexp, cexpf, cexpl - complex exponential functions
+cexpl complex.h cexp, cexpf, cexpl - complex exponential functions
+cfgetispeed termios.h cfgetispeed - get input baud rate
+cfgetospeed termios.h cfgetospeed - get output baud rate
+cfsetispeed termios.h cfsetispeed - set input baud rate
+cfsetospeed termios.h cfsetospeed - set output baud rate
+chdir unistd.h chdir - change working directory
+chmod sys_stat.h chmod, fchmodat - change mode of a file relative to directory file descriptor
+chown unistd.h chown, fchownat - change owner and group of a file relative to directory file descriptor
+cimag complex.h cimag, cimagf, cimagl - complex imaginary functions
+cimagf complex.h cimag, cimagf, cimagl - complex imaginary functions
+cimagl complex.h cimag, cimagf, cimagl - complex imaginary functions
+clearerr stdio.h clearerr - clear indicators on a stream
+clock time.h clock - report CPU time used
+clock_getcpuclockid time.h CPT clock_getcpuclockid - access a process CPU-time clock (<b>ADVANCED REALTIME</b>)
+clock_getres time.h CX clock_getres, clock_gettime, clock_settime - clock and timer functions
+clock_gettime time.h CX clock_getres, clock_gettime, clock_settime - clock and timer functions
+clock_nanosleep time.h CX clock_nanosleep - high resolution sleep with specifiable clock
+clock_settime time.h CX clock_getres, clock_gettime, clock_settime - clock and timer functions
+clog complex.h clog, clogf, clogl - complex natural logarithm functions
+clogf complex.h clog, clogf, clogl - complex natural logarithm functions
+clogl complex.h clog, clogf, clogl - complex natural logarithm functions
+close unistd.h close - close a file descriptor
+closedir dirent.h closedir - close a directory stream
+closelog syslog.h XSI closelog, openlog, setlogmask, syslog - control system log
+confstr unistd.h confstr - get configurable variables
+conj complex.h conj, conjf, conjl - complex conjugate functions
+conjf complex.h conj, conjf, conjl - complex conjugate functions
+conjl complex.h conj, conjf, conjl - complex conjugate functions
+connect sys_socket.h connect - connect a socket
+copysign math.h copysign, copysignf, copysignl - number manipulation function
+copysignf math.h copysign, copysignf, copysignl - number manipulation function
+copysignl math.h copysign, copysignf, copysignl - number manipulation function
+cos math.h cos, cosf, cosl - cosine function
+cosf math.h cos, cosf, cosl - cosine function
+cosh math.h cosh, coshf, coshl - hyperbolic cosine functions
+coshf math.h cosh, coshf, coshl - hyperbolic cosine functions
+coshl math.h cosh, coshf, coshl - hyperbolic cosine functions
+cosl math.h cos, cosf, cosl - cosine function
+cpow complex.h cpow, cpowf, cpowl - complex power functions
+cpowf complex.h cpow, cpowf, cpowl - complex power functions
+cpowl complex.h cpow, cpowf, cpowl - complex power functions
+cproj complex.h cproj, cprojf, cprojl - complex projection functions
+cprojf complex.h cproj, cprojf, cprojl - complex projection functions
+cprojl complex.h cproj, cprojf, cprojl - complex projection functions
+creal complex.h creal, crealf, creall - complex real functions
+crealf complex.h creal, crealf, creall - complex real functions
+creall complex.h creal, crealf, creall - complex real functions
+creat sys/stat.h fcntl.h OH creat - create a new file or rewrite an existing one
+crypt unistd.h XSI crypt - string encoding function (<b>CRYPT</b>)
+csin complex.h csin, csinf, csinl - complex sine functions
+csinf complex.h csin, csinf, csinl - complex sine functions
+csinh complex.h csinh, csinhf, csinhl - complex hyperbolic sine functions
+csinhf complex.h csinh, csinhf, csinhl - complex hyperbolic sine functions
+csinhl complex.h csinh, csinhf, csinhl - complex hyperbolic sine functions
+csinl complex.h csin, csinf, csinl - complex sine functions
+csqrt complex.h csqrt, csqrtf, csqrtl - complex square root functions
+csqrtf complex.h csqrt, csqrtf, csqrtl - complex square root functions
+csqrtl complex.h csqrt, csqrtf, csqrtl - complex square root functions
+ctan complex.h ctan, ctanf, ctanl - complex tangent functions
+ctanf complex.h ctan, ctanf, ctanl - complex tangent functions
+ctanh complex.h ctanh, ctanhf, ctanhl - complex hyperbolic tangent functions
+ctanhf complex.h ctanh, ctanhf, ctanhl - complex hyperbolic tangent functions
+ctanhl complex.h ctanh, ctanhf, ctanhl - complex hyperbolic tangent functions
+ctanl complex.h ctan, ctanf, ctanl - complex tangent functions
+ctermid stdio.h CX ctermid - generate a pathname for the controlling terminal
+ctime time.h OB OB CX ctime, ctime_r - convert a time value to a date and time string
+ctime_r time.h OB OB CX ctime, ctime_r - convert a time value to a date and time string
+daylight time.h XSI CX daylight, timezone, tzname, tzset - set timezone conversion information
+dbm_clearerr ndbm.h XSI dbm_clearerr, dbm_close, dbm_delete, dbm_error, dbm_fetch, dbm_firstkey, dbm_nextkey, dbm_open, dbm_store - database functions
+dbm_close ndbm.h XSI dbm_clearerr, dbm_close, dbm_delete, dbm_error, dbm_fetch, dbm_firstkey, dbm_nextkey, dbm_open, dbm_store - database functions
+dbm_delete ndbm.h XSI dbm_clearerr, dbm_close, dbm_delete, dbm_error, dbm_fetch, dbm_firstkey, dbm_nextkey, dbm_open, dbm_store - database functions
+dbm_error ndbm.h XSI dbm_clearerr, dbm_close, dbm_delete, dbm_error, dbm_fetch, dbm_firstkey, dbm_nextkey, dbm_open, dbm_store - database functions
+dbm_fetch ndbm.h XSI dbm_clearerr, dbm_close, dbm_delete, dbm_error, dbm_fetch, dbm_firstkey, dbm_nextkey, dbm_open, dbm_store - database functions
+dbm_firstkey ndbm.h XSI dbm_clearerr, dbm_close, dbm_delete, dbm_error, dbm_fetch, dbm_firstkey, dbm_nextkey, dbm_open, dbm_store - database functions
+dbm_nextkey ndbm.h XSI dbm_clearerr, dbm_close, dbm_delete, dbm_error, dbm_fetch, dbm_firstkey, dbm_nextkey, dbm_open, dbm_store - database functions
+dbm_open ndbm.h XSI dbm_clearerr, dbm_close, dbm_delete, dbm_error, dbm_fetch, dbm_firstkey, dbm_nextkey, dbm_open, dbm_store - database functions
+dbm_store ndbm.h XSI dbm_clearerr, dbm_close, dbm_delete, dbm_error, dbm_fetch, dbm_firstkey, dbm_nextkey, dbm_open, dbm_store - database functions
+difftime time.h difftime - compute the difference between two calendar time values
+dirfd dirent.h dirfd - extract the file descriptor used by a DIR stream
+dirname libgen.h XSI dirname - report the parent directory name of a file pathname
+div stdlib.h div - compute the quotient and remainder of an integer division
+dlclose dlfcn.h dlclose - close a dlopen object
+dlerror dlfcn.h dlerror - get diagnostic information
+dlopen dlfcn.h dlopen - gain access to an executable object file
+dlsym dlfcn.h dlsym - obtain the address of a symbol from a dlopen object
+dprintf stdio.h CX dprintf, fprintf, printf, snprintf, sprintf - print formatted output
+drand48 stdlib.h XSI drand48, erand48, jrand48, lcong48, lrand48, mrand48, nrand48, seed48, srand48 - generate uniformly distributed pseudo-random numbers
+dup unistd.h dup, dup2 - duplicate an open file descriptor
+dup2 unistd.h dup, dup2 - duplicate an open file descriptor
+duplocale locale.h CX duplocale - duplicate a locale object
+encrypt unistd.h XSI encrypt - encoding function (<b>CRYPT</b>)
+endgrent grp.h XSI endgrent, getgrent, setgrent - group database entry functions
+endhostent netdb.h endhostent, gethostent, sethostent - network host database functions
+endnetent netdb.h endnetent, getnetbyaddr, getnetbyname, getnetent, setnetent - network database functions
+endprotoent netdb.h endprotoent, getprotobyname, getprotobynumber, getprotoent, setprotoent - network protocol database functions
+endpwent pwd.h XSI endpwent, getpwent, setpwent - user database functions
+endservent netdb.h endservent, getservbyname, getservbyport, getservent, setservent - network services database functions
+endutxent utmpx.h XSI endutxent, getutxent, getutxid, getutxline, pututxline, setutxent - user accounting database functions
+environ unistd.h environ, execl, execle, execlp, execv, execve, execvp, fexecve - execute a file
+erand48 stdlib.h XSI drand48, erand48, jrand48, lcong48, lrand48, mrand48, nrand48, seed48, srand48 - generate uniformly distributed pseudo-random numbers
+erf math.h erf, erff, erfl - error functions
+erfc math.h erfc, erfcf, erfcl - complementary error functions
+erfcf math.h erfc, erfcf, erfcl - complementary error functions
+erfcl math.h erfc, erfcf, erfcl - complementary error functions
+erff math.h erf, erff, erfl - error functions
+erfl math.h erf, erff, erfl - error functions
+errno errno.h errno - error return value
+execl unistd.h environ, execl, execle, execlp, execv, execve, execvp, fexecve - execute a file
+execle unistd.h environ, execl, execle, execlp, execv, execve, execvp, fexecve - execute a file
+execlp unistd.h environ, execl, execle, execlp, execv, execve, execvp, fexecve - execute a file
+execv unistd.h environ, execl, execle, execlp, execv, execve, execvp, fexecve - execute a file
+execve unistd.h environ, execl, execle, execlp, execv, execve, execvp, fexecve - execute a file
+execvp unistd.h environ, execl, execle, execlp, execv, execve, execvp, fexecve - execute a file
+exit stdlib.h exit - terminate a process
+exp math.h exp, expf, expl - exponential function
+exp2 math.h exp2, exp2f, exp2l - exponential base 2 functions
+exp2f math.h exp2, exp2f, exp2l - exponential base 2 functions
+exp2l math.h exp2, exp2f, exp2l - exponential base 2 functions
+expf math.h exp, expf, expl - exponential function
+expl math.h exp, expf, expl - exponential function
+expm1 math.h expm1, expm1f, expm1l - compute exponential functions
+expm1f math.h expm1, expm1f, expm1l - compute exponential functions
+expm1l math.h expm1, expm1f, expm1l - compute exponential functions
+fabs math.h fabs, fabsf, fabsl - absolute value function
+fabsf math.h fabs, fabsf, fabsl - absolute value function
+fabsl math.h fabs, fabsf, fabsl - absolute value function
+faccessat unistd.h access, faccessat - determine accessibility of a file relative to directory file descriptor
+fchdir unistd.h fchdir - change working directory
+fchmod sys_stat.h fchmod - change mode of a file
+fchmodat sys_stat.h chmod, fchmodat - change mode of a file relative to directory file descriptor
+fchown unistd.h fchown - change owner and group of a file
+fchownat unistd.h chown, fchownat - change owner and group of a file relative to directory file descriptor
+fclose stdio.h fclose - close a stream
+fcntl fcntl.h fcntl - file control
+fdatasync unistd.h SIO fdatasync - synchronize the data of a file (<b>REALTIME</b>)
+fdim math.h fdim, fdimf, fdiml - compute positive difference between two floating-point numbers
+fdimf math.h fdim, fdimf, fdiml - compute positive difference between two floating-point numbers
+fdiml math.h fdim, fdimf, fdiml - compute positive difference between two floating-point numbers
+fdopen stdio.h CX fdopen - associate a stream with a file descriptor
+fdopendir dirent.h fdopendir, opendir - open directory associated with file descriptor
+feclearexcept fenv.h feclearexcept - clear floating-point exception
+fegetenv fenv.h fegetenv, fesetenv - get and set current floating-point environment
+fegetexceptflag fenv.h fegetexceptflag, fesetexceptflag - get and set floating-point status flags
+fegetround fenv.h fegetround, fesetround - get and set current rounding direction
+feholdexcept fenv.h feholdexcept - save current floating-point environment
+feof stdio.h feof - test end-of-file indicator on a stream
+feraiseexcept fenv.h feraiseexcept - raise floating-point exception
+ferror stdio.h ferror - test error indicator on a stream
+fesetenv fenv.h fegetenv, fesetenv - get and set current floating-point environment
+fesetexceptflag fenv.h fegetexceptflag, fesetexceptflag - get and set floating-point status flags
+fesetround fenv.h fegetround, fesetround - get and set current rounding direction
+fetestexcept fenv.h fetestexcept - test floating-point exception flags
+feupdateenv fenv.h feupdateenv - update floating-point environment
+fexecve unistd.h environ, execl, execle, execlp, execv, execve, execvp, fexecve - execute a file
+fflush stdio.h fflush - flush a stream
+ffs strings.h XSI ffs - find first set bit
+fgetc stdio.h fgetc - get a byte from a stream
+fgetpos stdio.h fgetpos - get current file position information
+fgets stdio.h fgets - get a string from a stream
+fgetwc stdio.h wchar.h fgetwc - get a wide-character code from a stream
+fgetws stdio.h wchar.h fgetws - get a wide-character string from a stream
+fileno stdio.h CX fileno - map a stream pointer to a file descriptor
+flockfile stdio.h CX flockfile, ftrylockfile, funlockfile - stdio locking functions
+floor math.h floor, floorf, floorl - floor function
+floorf math.h floor, floorf, floorl - floor function
+floorl math.h floor, floorf, floorl - floor function
+fma math.h fma, fmaf, fmal - floating-point multiply-add
+fmaf math.h fma, fmaf, fmal - floating-point multiply-add
+fmal math.h fma, fmaf, fmal - floating-point multiply-add
+fmax math.h fmax, fmaxf, fmaxl - determine maximum numeric value of two floating-point numbers
+fmaxf math.h fmax, fmaxf, fmaxl - determine maximum numeric value of two floating-point numbers
+fmaxl math.h fmax, fmaxf, fmaxl - determine maximum numeric value of two floating-point numbers
+fmemopen stdio.h CX fmemopen - open a memory buffer stream
+fmin math.h fmin, fminf, fminl - determine minimum numeric value of two floating-point numbers
+fminf math.h fmin, fminf, fminl - determine minimum numeric value of two floating-point numbers
+fminl math.h fmin, fminf, fminl - determine minimum numeric value of two floating-point numbers
+fmod math.h fmod, fmodf, fmodl - floating-point remainder value function
+fmodf math.h fmod, fmodf, fmodl - floating-point remainder value function
+fmodl math.h fmod, fmodf, fmodl - floating-point remainder value function
+fmtmsg fmtmsg.h XSI fmtmsg - display a message in the specified format on standard error and/or a system console
+fnmatch fnmatch.h fnmatch - match a filename or a pathname
+fopen stdio.h fopen - open a stream
+fork unistd.h fork - create a new process
+fpathconf unistd.h fpathconf, pathconf - get configurable pathname variables
+fpclassify math.h fpclassify - classify real floating type
+fprintf stdio.h CX dprintf, fprintf, printf, snprintf, sprintf - print formatted output
+fputc stdio.h fputc - put a byte on a stream
+fputs stdio.h fputs - put a string on a stream
+fputwc stdio.h wchar.h fputwc - put a wide-character code on a stream
+fputws stdio.h wchar.h fputws - put a wide-character string on a stream
+fread stdio.h fread - binary input
+free stdlib.h free - free allocated memory
+freeaddrinfo sys_socket.h netdb.h freeaddrinfo, getaddrinfo - get address information
+freelocale locale.h CX freelocale - free resources allocated for a locale object
+freopen stdio.h freopen - open a stream
+frexp math.h frexp, frexpf, frexpl - extract mantissa and exponent from a double precision number
+frexpf math.h frexp, frexpf, frexpl - extract mantissa and exponent from a double precision number
+frexpl math.h frexp, frexpf, frexpl - extract mantissa and exponent from a double precision number
+fscanf stdio.h fscanf, scanf, sscanf - convert formatted input
+fseek stdio.h CX fseek, fseeko - reposition a file-position indicator in a stream
+fseeko stdio.h CX fseek, fseeko - reposition a file-position indicator in a stream
+fsetpos stdio.h fsetpos - set current file position
+fstat sys_stat.h fstat - get file status
+fstatat sys_stat.h fstatat, lstat, stat - get file status
+fstatvfs sys_statvfs.h fstatvfs, statvfs - get file system information
+fsync unistd.h FSC fsync - synchronize changes to a file
+ftell stdio.h CX ftell, ftello - return a file offset in a stream
+ftello stdio.h CX ftell, ftello - return a file offset in a stream
+ftok sys_ipc.h XSI ftok - generate an IPC key
+ftruncate unistd.h ftruncate - truncate a file to a specified length
+ftrylockfile stdio.h CX flockfile, ftrylockfile, funlockfile - stdio locking functions
+ftw ftw.h OB XSI ftw - traverse (walk) a file tree
+funlockfile stdio.h CX flockfile, ftrylockfile, funlockfile - stdio locking functions
+futimens sys_stat.h sys_time.h XSI futimens, utimensat, utimes - set file access and modification times
+fwide stdio.h wchar.h fwide - set stream orientation
+fwprintf stdio.h wchar.h fwprintf, swprintf, wprintf - print formatted wide-character output
+fwrite stdio.h fwrite - binary output
+fwscanf stdio.h wchar.h fwscanf, swscanf, wscanf - convert formatted wide-character input
+gai_strerror netdb.h gai_strerror - address and name information error description
+getaddrinfo sys_socket.h netdb.h freeaddrinfo, getaddrinfo - get address information
+getc stdio.h getc - get a byte from a stream
+getc_unlocked stdio.h CX getc_unlocked, getchar_unlocked, putc_unlocked, putchar_unlocked - stdio with explicit client locking
+getchar stdio.h getchar - get a byte from a .I stdin stream
+getchar_unlocked stdio.h CX getc_unlocked, getchar_unlocked, putc_unlocked, putchar_unlocked - stdio with explicit client locking
+getcwd unistd.h getcwd - get the pathname of the current working directory
+getdate time.h XSI getdate - convert user format date and time
+getdate_err time.h XSI getdate - convert user format date and time
+getdelim stdio.h CX getdelim, getline - read a delimited record from .I stream
+getegid unistd.h getegid - get the effective group ID
+getenv stdlib.h getenv - get value of an environment variable
+geteuid unistd.h geteuid - get the effective user ID
+getgid unistd.h getgid - get the real group ID
+getgrent grp.h XSI endgrent, getgrent, setgrent - group database entry functions
+getgrgid grp.h getgrgid, getgrgid_r - get group database entry for a group ID
+getgrgid_r grp.h getgrgid, getgrgid_r - get group database entry for a group ID
+getgrnam grp.h getgrnam, getgrnam_r - search group database for a name
+getgrnam_r grp.h getgrnam, getgrnam_r - search group database for a name
+getgroups unistd.h getgroups - get supplementary group IDs
+gethostent netdb.h endhostent, gethostent, sethostent - network host database functions
+gethostid unistd.h XSI gethostid - get an identifier for the current host
+gethostname unistd.h gethostname - get name of current host
+getitimer sys_time.h OB XSI getitimer, setitimer - get and set value of interval timer
+getline stdio.h CX getdelim, getline - read a delimited record from .I stream
+getlogin unistd.h getlogin, getlogin_r - get login name
+getlogin_r unistd.h getlogin, getlogin_r - get login name
+getnameinfo sys_socket.h netdb.h getnameinfo - get name information
+getnetbyaddr netdb.h endnetent, getnetbyaddr, getnetbyname, getnetent, setnetent - network database functions
+getnetbyname netdb.h endnetent, getnetbyaddr, getnetbyname, getnetent, setnetent - network database functions
+getnetent netdb.h endnetent, getnetbyaddr, getnetbyname, getnetent, setnetent - network database functions
+getopt unistd.h getopt, optarg, opterr, optind, optopt - command option parsing
+getpeername sys_socket.h getpeername - get the name of the peer socket
+getpgid unistd.h getpgid - get the process group ID for a process
+getpgrp unistd.h getpgrp - get the process group ID of the calling process
+getpid unistd.h getpid - get the process ID
+getppid unistd.h getppid - get the parent process ID
+getpriority sys_resource.h XSI getpriority, setpriority - get and set the nice value
+getprotobyname netdb.h endprotoent, getprotobyname, getprotobynumber, getprotoent, setprotoent - network protocol database functions
+getprotobynumber netdb.h endprotoent, getprotobyname, getprotobynumber, getprotoent, setprotoent - network protocol database functions
+getprotoent netdb.h endprotoent, getprotobyname, getprotobynumber, getprotoent, setprotoent - network protocol database functions
+getpwent pwd.h XSI endpwent, getpwent, setpwent - user database functions
+getpwnam pwd.h getpwnam, getpwnam_r - search user database for a name
+getpwnam_r pwd.h getpwnam, getpwnam_r - search user database for a name
+getpwuid pwd.h getpwuid, getpwuid_r - search user database for a user ID
+getpwuid_r pwd.h getpwuid, getpwuid_r - search user database for a user ID
+getrlimit sys_resource.h XSI getrlimit, setrlimit - control maximum resource consumption
+getrusage sys_resource.h XSI getrusage - get information about resource utilization
+gets stdio.h OB gets - get a string from a .I stdin stream
+getservbyname netdb.h endservent, getservbyname, getservbyport, getservent, setservent - network services database functions
+getservbyport netdb.h endservent, getservbyname, getservbyport, getservent, setservent - network services database functions
+getservent netdb.h endservent, getservbyname, getservbyport, getservent, setservent - network services database functions
+getsid unistd.h getsid - get the process group ID of a session leader
+getsockname sys_socket.h getsockname - get the socket name
+getsockopt sys_socket.h getsockopt - get the socket options
+getsubopt stdlib.h getsubopt - parse suboption arguments from a string
+gettimeofday sys_time.h OB XSI gettimeofday - get the date and time
+getuid unistd.h getuid - get a real user ID
+getutxent utmpx.h XSI endutxent, getutxent, getutxid, getutxline, pututxline, setutxent - user accounting database functions
+getutxid utmpx.h XSI endutxent, getutxent, getutxid, getutxline, pututxline, setutxent - user accounting database functions
+getutxline utmpx.h XSI endutxent, getutxent, getutxid, getutxline, pututxline, setutxent - user accounting database functions
+getwc stdio.h wchar.h getwc - get a wide character from a stream
+getwchar wchar.h getwchar - get a wide character from a .I stdin stream
+glob glob.h glob, globfree - generate pathnames matching a pattern
+globfree glob.h glob, globfree - generate pathnames matching a pattern
+gmtime time.h CX gmtime, gmtime_r - convert a time value to a broken-down UTC time
+gmtime_r time.h CX gmtime, gmtime_r - convert a time value to a broken-down UTC time
+grantpt stdlib.h XSI grantpt - grant access to the slave pseudo-terminal device
+hcreate search.h XSI hcreate, hdestroy, hsearch - manage hash search table
+hdestroy search.h XSI hcreate, hdestroy, hsearch - manage hash search table
+hsearch search.h XSI hcreate, hdestroy, hsearch - manage hash search table
+htonl arpa_inet.h htonl, htons, ntohl, ntohs - convert values between host and network byte order
+htons arpa_inet.h htonl, htons, ntohl, ntohs - convert values between host and network byte order
+hypot math.h hypot, hypotf, hypotl - Euclidean distance function
+hypotf math.h hypot, hypotf, hypotl - Euclidean distance function
+hypotl math.h hypot, hypotf, hypotl - Euclidean distance function
+iconv iconv.h iconv - codeset conversion function
+iconv_close iconv.h iconv_close - codeset conversion deallocation function
+iconv_open iconv.h iconv_open - codeset conversion allocation function
+if_freenameindex net_if.h if_freenameindex - free memory allocated by if_nameindex
+if_indextoname net_if.h if_indextoname - map a network interface index to its corresponding name
+if_nameindex net_if.h if_nameindex - return all network interface names and indexes
+if_nametoindex net_if.h if_nametoindex - map a network interface name to its corresponding index
+ilogb math.h ilogb, ilogbf, ilogbl - return an unbiased exponent
+ilogbf math.h ilogb, ilogbf, ilogbl - return an unbiased exponent
+ilogbl math.h ilogb, ilogbf, ilogbl - return an unbiased exponent
+imaxabs inttypes.h imaxabs - return absolute value
+imaxdiv inttypes.h imaxdiv - return quotient and remainder
+inet_addr arpa_inet.h inet_addr, inet_ntoa - IPv4 address manipulation
+inet_ntoa arpa_inet.h inet_addr, inet_ntoa - IPv4 address manipulation
+inet_ntop arpa_inet.h inet_ntop, inet_pton - convert IPv4 and IPv6 addresses between binary and text form
+inet_pton arpa_inet.h inet_ntop, inet_pton - convert IPv4 and IPv6 addresses between binary and text form
+initstate stdlib.h XSI initstate, random, setstate, srandom - pseudo-random number functions
+insque search.h XSI insque, remque - insert or remove an element in a queue
+isalnum ctype.h CX isalnum, isalnum_l - test for an alphanumeric character
+isalnum_l ctype.h CX isalnum, isalnum_l - test for an alphanumeric character
+isalpha ctype.h CX isalpha, isalpha_l - test for an alphabetic character
+isalpha_l ctype.h CX isalpha, isalpha_l - test for an alphabetic character
+isascii ctype.h OB XSI isascii - test for a 7-bit US-ASCII character
+isatty unistd.h isatty - test for a terminal device
+isblank ctype.h CX isblank, isblank_l - test for a blank character
+isblank_l ctype.h CX isblank, isblank_l - test for a blank character
+iscntrl ctype.h CX iscntrl, iscntrl_l - test for a control character
+iscntrl_l ctype.h CX iscntrl, iscntrl_l - test for a control character
+isdigit ctype.h CX isdigit, isdigit_l - test for a decimal digit
+isdigit_l ctype.h CX isdigit, isdigit_l - test for a decimal digit
+isfinite math.h isfinite - test for finite value
+isgraph ctype.h CX isgraph, isgraph_l - test for a visible character
+isgraph_l ctype.h CX isgraph, isgraph_l - test for a visible character
+isgreater math.h isgreater - test if x greater than y
+isgreaterequal math.h isgreaterequal - test if x is greater than or equal to y
+isinf math.h isinf - test for infinity
+isless math.h isless - test if x is less than y
+islessequal math.h islessequal - test if x is less than or equal to y
+islessgreater math.h islessgreater - test if x is less than or greater than y
+islower ctype.h CX islower, islower_l - test for a lowercase letter
+islower_l ctype.h CX islower, islower_l - test for a lowercase letter
+isnan math.h isnan - test for a NaN
+isnormal math.h isnormal - test for a normal value
+isprint ctype.h CX isprint, isprint_l - test for a printable character
+isprint_l ctype.h CX isprint, isprint_l - test for a printable character
+ispunct ctype.h CX ispunct, ispunct_l - test for a punctuation character
+ispunct_l ctype.h CX ispunct, ispunct_l - test for a punctuation character
+isspace ctype.h CX isspace, isspace_l - test for a white-space character
+isspace_l ctype.h CX isspace, isspace_l - test for a white-space character
+isunordered math.h isunordered - test if arguments are unordered
+isupper ctype.h CX isupper, isupper_l - test for an uppercase letter
+isupper_l ctype.h CX isupper, isupper_l - test for an uppercase letter
+iswalnum wctype.h CX iswalnum, iswalnum_l - test for an alphanumeric wide-character code
+iswalnum_l wctype.h CX iswalnum, iswalnum_l - test for an alphanumeric wide-character code
+iswalpha wctype.h CX iswalpha, iswalpha_l - test for an alphabetic wide-character code
+iswalpha_l wctype.h CX iswalpha, iswalpha_l - test for an alphabetic wide-character code
+iswblank wctype.h CX iswblank, iswblank_l - test for a blank wide-character code
+iswblank_l wctype.h CX iswblank, iswblank_l - test for a blank wide-character code
+iswcntrl wctype.h CX iswcntrl, iswcntrl_l - test for a control wide-character code
+iswcntrl_l wctype.h CX iswcntrl, iswcntrl_l - test for a control wide-character code
+iswctype wctype.h CX iswctype, iswctype_l - test character for a specified class
+iswctype_l wctype.h CX iswctype, iswctype_l - test character for a specified class
+iswdigit wctype.h CX iswdigit, iswdigit_l - test for a decimal digit wide-character code
+iswdigit_l wctype.h CX iswdigit, iswdigit_l - test for a decimal digit wide-character code
+iswgraph wctype.h CX iswgraph, iswgraph_l - test for a visible wide-character code
+iswgraph_l wctype.h CX iswgraph, iswgraph_l - test for a visible wide-character code
+iswlower wctype.h CX iswlower, iswlower_l - test for a lowercase letter wide-character code
+iswlower_l wctype.h CX iswlower, iswlower_l - test for a lowercase letter wide-character code
+iswprint wctype.h CX iswprint, iswprint_l - test for a printable wide-character code
+iswprint_l wctype.h CX iswprint, iswprint_l - test for a printable wide-character code
+iswpunct wctype.h CX iswpunct, iswpunct_l - test for a punctuation wide-character code
+iswpunct_l wctype.h CX iswpunct, iswpunct_l - test for a punctuation wide-character code
+iswspace wctype.h CX iswspace, iswspace_l - test for a white-space wide-character code
+iswspace_l wctype.h CX iswspace, iswspace_l - test for a white-space wide-character code
+iswupper wctype.h CX iswupper, iswupper_l - test for an uppercase letter wide-character code
+iswupper_l wctype.h CX iswupper, iswupper_l - test for an uppercase letter wide-character code
+iswxdigit wctype.h CX iswxdigit, iswxdigit_l - test for a hexadecimal digit wide-character code
+iswxdigit_l wctype.h CX iswxdigit, iswxdigit_l - test for a hexadecimal digit wide-character code
+isxdigit ctype.h CX isxdigit, isxdigit_l - test for a hexadecimal digit
+isxdigit_l ctype.h CX isxdigit, isxdigit_l - test for a hexadecimal digit
+j0 math.h XSI j0, j1, jn - Bessel functions of the first kind
+j1 math.h XSI j0, j1, jn - Bessel functions of the first kind
+jn math.h XSI j0, j1, jn - Bessel functions of the first kind
+jrand48 stdlib.h XSI drand48, erand48, jrand48, lcong48, lrand48, mrand48, nrand48, seed48, srand48 - generate uniformly distributed pseudo-random numbers
+kill signal.h CX kill - send a signal to a process or a group of processes
+killpg signal.h XSI killpg - send a signal to a process group
+l64a stdlib.h XSI a64l, l64a - convert between a 32-bit integer and a radix-64 ASCII string
+labs stdlib.h labs, llabs - return a long integer absolute value
+lchown unistd.h lchown - change the owner and group of a symbolic link
+lcong48 stdlib.h XSI drand48, erand48, jrand48, lcong48, lrand48, mrand48, nrand48, seed48, srand48 - generate uniformly distributed pseudo-random numbers
+ldexp math.h ldexp, ldexpf, ldexpl - load exponent of a floating-point number
+ldexpf math.h ldexp, ldexpf, ldexpl - load exponent of a floating-point number
+ldexpl math.h ldexp, ldexpf, ldexpl - load exponent of a floating-point number
+ldiv stdlib.h ldiv, lldiv - compute quotient and remainder of a long division
+lfind search.h XSI lsearch, lfind - linear search and update
+lgamma math.h XSI lgamma, lgammaf, lgammal, signgam - log gamma function
+lgammaf math.h XSI lgamma, lgammaf, lgammal, signgam - log gamma function
+lgammal math.h XSI lgamma, lgammaf, lgammal, signgam - log gamma function
+link unistd.h link, linkat - link one file to another file relative to two directory file descriptors
+linkat unistd.h link, linkat - link one file to another file relative to two directory file descriptors
+lio_listio aio.h lio_listio - list directed I/O
+listen sys_socket.h listen - listen for socket connections and limit the queue of incoming connections
+llabs stdlib.h labs, llabs - return a long integer absolute value
+lldiv stdlib.h ldiv, lldiv - compute quotient and remainder of a long division
+llrint math.h llrint, llrintf, llrintl - round to the nearest integer value using current rounding direction
+llrintf math.h llrint, llrintf, llrintl - round to the nearest integer value using current rounding direction
+llrintl math.h llrint, llrintf, llrintl - round to the nearest integer value using current rounding direction
+llround math.h llround, llroundf, llroundl - round to nearest integer value
+llroundf math.h llround, llroundf, llroundl - round to nearest integer value
+llroundl math.h llround, llroundf, llroundl - round to nearest integer value
+localeconv locale.h localeconv - return locale-specific information
+localtime time.h CX localtime, localtime_r - convert a time value to a broken-down local time
+localtime_r time.h CX localtime, localtime_r - convert a time value to a broken-down local time
+lockf unistd.h XSI lockf - record locking on files
+log math.h log, logf, logl - natural logarithm function
+log10 math.h log10, log10f, log10l - base 10 logarithm function
+log10f math.h log10, log10f, log10l - base 10 logarithm function
+log10l math.h log10, log10f, log10l - base 10 logarithm function
+log1p math.h log1p, log1pf, log1pl - compute a natural logarithm
+log1pf math.h log1p, log1pf, log1pl - compute a natural logarithm
+log1pl math.h log1p, log1pf, log1pl - compute a natural logarithm
+log2 math.h log2, log2f, log2l - compute base 2 logarithm functions
+log2f math.h log2, log2f, log2l - compute base 2 logarithm functions
+log2l math.h log2, log2f, log2l - compute base 2 logarithm functions
+logb math.h logb, logbf, logbl - radix-independent exponent
+logbf math.h logb, logbf, logbl - radix-independent exponent
+logbl math.h logb, logbf, logbl - radix-independent exponent
+logf math.h log, logf, logl - natural logarithm function
+logl math.h log, logf, logl - natural logarithm function
+longjmp setjmp.h longjmp - non-local goto
+lrand48 stdlib.h XSI drand48, erand48, jrand48, lcong48, lrand48, mrand48, nrand48, seed48, srand48 - generate uniformly distributed pseudo-random numbers
+lrint math.h lrint, lrintf, lrintl - round to nearest integer value using current rounding direction
+lrintf math.h lrint, lrintf, lrintl - round to nearest integer value using current rounding direction
+lrintl math.h lrint, lrintf, lrintl - round to nearest integer value using current rounding direction
+lround math.h lround, lroundf, lroundl - round to nearest integer value
+lroundf math.h lround, lroundf, lroundl - round to nearest integer value
+lroundl math.h lround, lroundf, lroundl - round to nearest integer value
+lsearch search.h XSI lsearch, lfind - linear search and update
+lseek unistd.h lseek - move the read/write file offset
+lstat sys_stat.h fstatat, lstat, stat - get file status
+malloc stdlib.h malloc - a memory allocator
+mblen stdlib.h mblen - get number of bytes in a character
+mbrlen wchar.h mbrlen - get number of bytes in a character (restartable)
+mbrtowc wchar.h mbrtowc - convert a character to a wide-character code (restartable)
+mbsinit wchar.h mbsinit - determine conversion object status
+mbsnrtowcs wchar.h CX mbsnrtowcs, mbsrtowcs - convert a character string to a wide-character string (restartable)
+mbsrtowcs wchar.h CX mbsnrtowcs, mbsrtowcs - convert a character string to a wide-character string (restartable)
+mbstowcs stdlib.h mbstowcs - convert a character string to a wide-character string
+mbtowc stdlib.h mbtowc - convert a character to a wide-character code
+memccpy string.h XSI memccpy - copy bytes in memory
+memchr string.h memchr - find byte in memory
+memcmp string.h memcmp - compare bytes in memory
+memcpy string.h memcpy - copy bytes in memory
+memmove string.h memmove - copy bytes in memory with overlapping areas
+memset string.h memset - set bytes in memory
+mkdir sys_stat.h mkdir, mkdirat - make a directory relative to directory file descriptor
+mkdirat sys_stat.h mkdir, mkdirat - make a directory relative to directory file descriptor
+mkdtemp stdlib.h CX mkdtemp, mkstemp - create a unique directory or file
+mkfifo sys_stat.h mkfifo, mkfifoat - make a FIFO special file relative to directory file descriptor
+mkfifoat sys_stat.h mkfifo, mkfifoat - make a FIFO special file relative to directory file descriptor
+mknod sys_stat.h XSI mknod, mknodat - make directory, special file, or regular file
+mknodat sys_stat.h XSI mknod, mknodat - make directory, special file, or regular file
+mkstemp stdlib.h CX mkdtemp, mkstemp - create a unique directory or file
+mktime time.h mktime - convert broken-down time into time since the Epoch
+mlock sys_mman.h MLR mlock, munlock - lock or unlock a range of process address space (<b>REALTIME</b>)
+mlockall sys_mman.h ML mlockall, munlockall - lock/unlock the address space of a process (<b>REALTIME</b>)
+mmap sys_mman.h mmap - map pages of memory
+modf math.h modf, modff, modfl - decompose a floating-point number
+modff math.h modf, modff, modfl - decompose a floating-point number
+modfl math.h modf, modff, modfl - decompose a floating-point number
+mprotect sys_mman.h mprotect - set protection of memory mapping
+mq_close mqueue.h MSG mq_close - close a message queue (<b>REALTIME</b>)
+mq_getattr mqueue.h MSG mq_getattr - get message queue attributes (<b>REALTIME</b>)
+mq_notify mqueue.h MSG mq_notify - notify process that a message is available (<b>REALTIME</b>)
+mq_open mqueue.h MSG mq_open - open a message queue (<b>REALTIME</b>)
+mq_receive mqueue.h mqueue.h time.h MSG mq_receive, mq_timedreceive - receive a message from a message queue (<b>REALTIME</b>)
+mq_send mqueue.h mqueue.h time.h MSG mq_send, mq_timedsend - send a message to a message queue (<b>REALTIME</b>)
+mq_setattr mqueue.h MSG mq_setattr - set message queue attributes (<b>REALTIME</b>)
+mq_timedreceive mqueue.h mqueue.h time.h MSG mq_receive, mq_timedreceive - receive a message from a message queue (<b>REALTIME</b>)
+mq_timedsend mqueue.h mqueue.h time.h MSG mq_send, mq_timedsend - send a message to a message queue (<b>REALTIME</b>)
+mq_unlink mqueue.h MSG mq_unlink - remove a message queue (<b>REALTIME</b>)
+mrand48 stdlib.h XSI drand48, erand48, jrand48, lcong48, lrand48, mrand48, nrand48, seed48, srand48 - generate uniformly distributed pseudo-random numbers
+msgctl sys_msg.h XSI msgctl - XSI message control operations
+msgget sys_msg.h XSI msgget - get the XSI message queue identifier
+msgrcv sys_msg.h XSI msgrcv - XSI message receive operation
+msgsnd sys_msg.h XSI msgsnd - XSI message send operation
+msync sys_mman.h XSI msync - synchronize memory with physical storage
+munlock sys_mman.h MLR mlock, munlock - lock or unlock a range of process address space (<b>REALTIME</b>)
+munlockall sys_mman.h ML mlockall, munlockall - lock/unlock the address space of a process (<b>REALTIME</b>)
+munmap sys_mman.h munmap - unmap pages of memory
+nan math.h nan, nanf, nanl - return quiet NaN
+nanf math.h nan, nanf, nanl - return quiet NaN
+nanl math.h nan, nanf, nanl - return quiet NaN
+nanosleep time.h CX nanosleep - high resolution sleep
+nearbyint math.h nearbyint, nearbyintf, nearbyintl - floating-point rounding functions
+nearbyintf math.h nearbyint, nearbyintf, nearbyintl - floating-point rounding functions
+nearbyintl math.h nearbyint, nearbyintf, nearbyintl - floating-point rounding functions
+newlocale locale.h CX newlocale - create or modify a locale object
+nextafter math.h nextafter, nextafterf, nextafterl, nexttoward, nexttowardf, nexttowardl - next representable floating-point number
+nextafterf math.h nextafter, nextafterf, nextafterl, nexttoward, nexttowardf, nexttowardl - next representable floating-point number
+nextafterl math.h nextafter, nextafterf, nextafterl, nexttoward, nexttowardf, nexttowardl - next representable floating-point number
+nexttoward math.h nextafter, nextafterf, nextafterl, nexttoward, nexttowardf, nexttowardl - next representable floating-point number
+nexttowardf math.h nextafter, nextafterf, nextafterl, nexttoward, nexttowardf, nexttowardl - next representable floating-point number
+nexttowardl math.h nextafter, nextafterf, nextafterl, nexttoward, nexttowardf, nexttowardl - next representable floating-point number
+nftw ftw.h XSI nftw - walk a file tree
+nice unistd.h XSI nice - change the nice value of a process
+nl_langinfo langinfo.h nl_langinfo, nl_langinfo_l - language information
+nl_langinfo_l langinfo.h nl_langinfo, nl_langinfo_l - language information
+nrand48 stdlib.h XSI drand48, erand48, jrand48, lcong48, lrand48, mrand48, nrand48, seed48, srand48 - generate uniformly distributed pseudo-random numbers
+ntohl arpa_inet.h htonl, htons, ntohl, ntohs - convert values between host and network byte order
+ntohs arpa_inet.h htonl, htons, ntohl, ntohs - convert values between host and network byte order
+open sys/stat.h fcntl.h OH open, openat - open file relative to directory file descriptor
+open_memstream stdio.h wchar.h CX open_memstream, open_wmemstream - open a dynamic memory buffer stream
+open_wmemstream stdio.h wchar.h CX open_memstream, open_wmemstream - open a dynamic memory buffer stream
+openat sys/stat.h fcntl.h OH open, openat - open file relative to directory file descriptor
+opendir dirent.h fdopendir, opendir - open directory associated with file descriptor
+openlog syslog.h XSI closelog, openlog, setlogmask, syslog - control system log
+optarg unistd.h getopt, optarg, opterr, optind, optopt - command option parsing
+opterr unistd.h getopt, optarg, opterr, optind, optopt - command option parsing
+optind unistd.h getopt, optarg, opterr, optind, optopt - command option parsing
+optopt unistd.h getopt, optarg, opterr, optind, optopt - command option parsing
+pathconf unistd.h fpathconf, pathconf - get configurable pathname variables
+pause unistd.h pause - suspend the thread until a signal is received
+pclose stdio.h CX pclose - close a pipe stream to or from a process
+perror stdio.h perror - write error messages to standard error
+pipe unistd.h pipe - create an interprocess channel
+poll poll.h poll - input/output multiplexing
+popen stdio.h CX popen - initiate pipe streams to or from a process
+posix_fadvise fcntl.h ADV posix_fadvise - file advisory information (<b>ADVANCED REALTIME</b>)
+posix_fallocate fcntl.h ADV posix_fallocate - file space control (<b>ADVANCED REALTIME</b>)
+posix_madvise sys_mman.h ADV posix_madvise - memory advisory information and alignment control (<b>ADVANCED REALTIME</b>)
+posix_mem_offset sys_mman.h TYM posix_mem_offset - find offset and length of a mapped typed memory block (<b>ADVANCED REALTIME</b>)
+posix_memalign stdlib.h ADV posix_memalign - aligned memory allocation (<b>ADVANCED REALTIME</b>)
+posix_openpt stdlib.h fcntl.h XSI posix_openpt - open a pseudo-terminal device
+posix_spawn spawn.h SPN posix_spawn, posix_spawnp - spawn a process (<b>ADVANCED REALTIME</b>)
+posix_spawn_file_actions_addclose spawn.h SPN posix_spawn_file_actions_addclose, posix_spawn_file_actions_addopen - add close or open action to spawn file actions object (<b>ADVANCED REALTIME</b>)
+posix_spawn_file_actions_adddup2 spawn.h SPN posix_spawn_file_actions_adddup2 - add dup2 action to spawn file actions object (<b>ADVANCED REALTIME</b>)
+posix_spawn_file_actions_addopen spawn.h SPN posix_spawn_file_actions_addclose, posix_spawn_file_actions_addopen - add close or open action to spawn file actions object (<b>ADVANCED REALTIME</b>)
+posix_spawn_file_actions_destroy spawn.h SPN posix_spawn_file_actions_destroy, posix_spawn_file_actions_init - destroy and initialize spawn file actions object (<b>ADVANCED REALTIME</b>)
+posix_spawn_file_actions_init spawn.h SPN posix_spawn_file_actions_destroy, posix_spawn_file_actions_init - destroy and initialize spawn file actions object (<b>ADVANCED REALTIME</b>)
+posix_spawnattr_destroy spawn.h SPN posix_spawnattr_destroy, posix_spawnattr_init - destroy and initialize spawn attributes object (<b>ADVANCED REALTIME</b>)
+posix_spawnattr_getflags spawn.h SPN posix_spawnattr_getflags, posix_spawnattr_setflags - get and set the spawn-flags attribute of a spawn attributes object (<b>ADVANCED REALTIME</b>)
+posix_spawnattr_getpgroup spawn.h SPN posix_spawnattr_getpgroup, posix_spawnattr_setpgroup - get and set the spawn-pgroup attribute of a spawn attributes object (<b>ADVANCED REALTIME</b>)
+posix_spawnattr_getschedparam spawn.h sched.h SPN PS posix_spawnattr_getschedparam, posix_spawnattr_setschedparam - get and set the spawn-schedparam attribute of a spawn attributes object (<b>ADVANCED REALTIME</b>)
+posix_spawnattr_getschedpolicy spawn.h sched.h SPN PS posix_spawnattr_getschedpolicy, posix_spawnattr_setschedpolicy - get and set the spawn-schedpolicy attribute of a spawn attributes object (<b>ADVANCED REALTIME</b>)
+posix_spawnattr_getsigdefault signal.h spawn.h SPN posix_spawnattr_getsigdefault, posix_spawnattr_setsigdefault - get and set the spawn-sigdefault attribute of a spawn attributes object (<b>ADVANCED REALTIME</b>)
+posix_spawnattr_getsigmask signal.h spawn.h SPN posix_spawnattr_getsigmask, posix_spawnattr_setsigmask - get and set the spawn-sigmask attribute of a spawn attributes object (<b>ADVANCED REALTIME</b>)
+posix_spawnattr_init spawn.h SPN posix_spawnattr_destroy, posix_spawnattr_init - destroy and initialize spawn attributes object (<b>ADVANCED REALTIME</b>)
+posix_spawnattr_setflags spawn.h SPN posix_spawnattr_getflags, posix_spawnattr_setflags - get and set the spawn-flags attribute of a spawn attributes object (<b>ADVANCED REALTIME</b>)
+posix_spawnattr_setpgroup spawn.h SPN posix_spawnattr_getpgroup, posix_spawnattr_setpgroup - get and set the spawn-pgroup attribute of a spawn attributes object (<b>ADVANCED REALTIME</b>)
+posix_spawnattr_setschedparam spawn.h sched.h SPN PS posix_spawnattr_getschedparam, posix_spawnattr_setschedparam - get and set the spawn-schedparam attribute of a spawn attributes object (<b>ADVANCED REALTIME</b>)
+posix_spawnattr_setschedpolicy spawn.h sched.h SPN PS posix_spawnattr_getschedpolicy, posix_spawnattr_setschedpolicy - get and set the spawn-schedpolicy attribute of a spawn attributes object (<b>ADVANCED REALTIME</b>)
+posix_spawnattr_setsigdefault signal.h spawn.h SPN posix_spawnattr_getsigdefault, posix_spawnattr_setsigdefault - get and set the spawn-sigdefault attribute of a spawn attributes object (<b>ADVANCED REALTIME</b>)
+posix_spawnattr_setsigmask signal.h spawn.h SPN posix_spawnattr_getsigmask, posix_spawnattr_setsigmask - get and set the spawn-sigmask attribute of a spawn attributes object (<b>ADVANCED REALTIME</b>)
+posix_spawnp spawn.h SPN posix_spawn, posix_spawnp - spawn a process (<b>ADVANCED REALTIME</b>)
+posix_typed_mem_get_info sys_mman.h TYM posix_typed_mem_get_info - query typed memory information (<b>ADVANCED REALTIME</b>)
+posix_typed_mem_open sys_mman.h TYM posix_typed_mem_open - open a typed memory object (<b>ADVANCED REALTIME</b>)
+pow math.h pow, powf, powl - power function
+powf math.h pow, powf, powl - power function
+powl math.h pow, powf, powl - power function
+pread unistd.h pread, read - read from a file
+printf stdio.h CX dprintf, fprintf, printf, snprintf, sprintf - print formatted output
+pselect sys_select.h pselect, select - synchronous I/O multiplexing
+psiginfo signal.h CX psiginfo, psignal - print signal information to standard error
+psignal signal.h CX psiginfo, psignal - print signal information to standard error
+pthread_atfork pthread.h pthread_atfork - register fork handlers
+pthread_attr_destroy pthread.h pthread_attr_destroy, pthread_attr_init - destroy and initialize the thread attributes object
+pthread_attr_getdetachstate pthread.h pthread_attr_getdetachstate, pthread_attr_setdetachstate - get and set the detachstate attribute
+pthread_attr_getguardsize pthread.h pthread_attr_getguardsize, pthread_attr_setguardsize - get and set the thread guardsize attribute
+pthread_attr_getinheritsched pthread.h TPS pthread_attr_getinheritsched, pthread_attr_setinheritsched - get and set the inheritsched attribute (<b>REALTIME THREADS</b>)
+pthread_attr_getschedparam pthread.h pthread_attr_getschedparam, pthread_attr_setschedparam - get and set the schedparam attribute
+pthread_attr_getschedpolicy pthread.h TPS pthread_attr_getschedpolicy, pthread_attr_setschedpolicy - get and set the schedpolicy attribute (<b>REALTIME THREADS</b>)
+pthread_attr_getscope pthread.h TPS pthread_attr_getscope, pthread_attr_setscope - get and set the contentionscope attribute (<b>REALTIME THREADS</b>)
+pthread_attr_getstack pthread.h TSA TSS pthread_attr_getstack, pthread_attr_setstack - get and set stack attributes
+pthread_attr_getstacksize pthread.h TSS pthread_attr_getstacksize, pthread_attr_setstacksize - get and set the stacksize attribute
+pthread_attr_init pthread.h pthread_attr_destroy, pthread_attr_init - destroy and initialize the thread attributes object
+pthread_attr_setdetachstate pthread.h pthread_attr_getdetachstate, pthread_attr_setdetachstate - get and set the detachstate attribute
+pthread_attr_setguardsize pthread.h pthread_attr_getguardsize, pthread_attr_setguardsize - get and set the thread guardsize attribute
+pthread_attr_setinheritsched pthread.h TPS pthread_attr_getinheritsched, pthread_attr_setinheritsched - get and set the inheritsched attribute (<b>REALTIME THREADS</b>)
+pthread_attr_setschedparam pthread.h pthread_attr_getschedparam, pthread_attr_setschedparam - get and set the schedparam attribute
+pthread_attr_setschedpolicy pthread.h TPS pthread_attr_getschedpolicy, pthread_attr_setschedpolicy - get and set the schedpolicy attribute (<b>REALTIME THREADS</b>)
+pthread_attr_setscope pthread.h TPS pthread_attr_getscope, pthread_attr_setscope - get and set the contentionscope attribute (<b>REALTIME THREADS</b>)
+pthread_attr_setstack pthread.h TSA TSS pthread_attr_getstack, pthread_attr_setstack - get and set stack attributes
+pthread_attr_setstacksize pthread.h TSS pthread_attr_getstacksize, pthread_attr_setstacksize - get and set the stacksize attribute
+pthread_barrier_destroy pthread.h pthread_barrier_destroy, pthread_barrier_init - destroy and initialize a barrier object
+pthread_barrier_init pthread.h pthread_barrier_destroy, pthread_barrier_init - destroy and initialize a barrier object
+pthread_barrier_wait pthread.h pthread_barrier_wait - synchronize at a barrier
+pthread_barrierattr_destroy pthread.h pthread_barrierattr_destroy, pthread_barrierattr_init - destroy and initialize the barrier attributes object
+pthread_barrierattr_getpshared pthread.h TSH pthread_barrierattr_getpshared, pthread_barrierattr_setpshared - get and set the process-shared attribute of the barrier attributes object
+pthread_barrierattr_init pthread.h pthread_barrierattr_destroy, pthread_barrierattr_init - destroy and initialize the barrier attributes object
+pthread_barrierattr_setpshared pthread.h TSH pthread_barrierattr_getpshared, pthread_barrierattr_setpshared - get and set the process-shared attribute of the barrier attributes object
+pthread_cancel pthread.h pthread_cancel - cancel execution of a thread
+pthread_cleanup_pop pthread.h pthread_cleanup_pop, pthread_cleanup_push - establish cancellation handlers
+pthread_cleanup_push pthread.h pthread_cleanup_pop, pthread_cleanup_push - establish cancellation handlers
+pthread_cond_broadcast pthread.h pthread_cond_broadcast, pthread_cond_signal - broadcast or signal a condition
+pthread_cond_destroy pthread.h pthread_cond_destroy, pthread_cond_init - destroy and initialize condition variables
+pthread_cond_init pthread.h pthread_cond_destroy, pthread_cond_init - destroy and initialize condition variables
+pthread_cond_signal pthread.h pthread_cond_broadcast, pthread_cond_signal - broadcast or signal a condition
+pthread_cond_timedwait pthread.h pthread_cond_timedwait, pthread_cond_wait - wait on a condition
+pthread_cond_wait pthread.h pthread_cond_timedwait, pthread_cond_wait - wait on a condition
+pthread_condattr_destroy pthread.h pthread_condattr_destroy, pthread_condattr_init - destroy and initialize the condition variable attributes object
+pthread_condattr_getclock pthread.h pthread_condattr_getclock, pthread_condattr_setclock - get and set the clock selection condition variable attribute
+pthread_condattr_getpshared pthread.h TSH pthread_condattr_getpshared, pthread_condattr_setpshared - get and set the process-shared condition variable attributes
+pthread_condattr_init pthread.h pthread_condattr_destroy, pthread_condattr_init - destroy and initialize the condition variable attributes object
+pthread_condattr_setclock pthread.h pthread_condattr_getclock, pthread_condattr_setclock - get and set the clock selection condition variable attribute
+pthread_condattr_setpshared pthread.h TSH pthread_condattr_getpshared, pthread_condattr_setpshared - get and set the process-shared condition variable attributes
+pthread_create pthread.h pthread_create - thread creation
+pthread_detach pthread.h pthread_detach - detach a thread
+pthread_equal pthread.h pthread_equal - compare thread IDs
+pthread_exit pthread.h pthread_exit - thread termination
+pthread_getconcurrency pthread.h OB XSI pthread_getconcurrency, pthread_setconcurrency - get and set the level of concurrency
+pthread_getcpuclockid pthread.h time.h TCT pthread_getcpuclockid - access a thread CPU-time clock (<b>ADVANCED REALTIME THREADS</b>)
+pthread_getschedparam pthread.h TPS pthread_getschedparam, pthread_setschedparam - dynamic thread scheduling parameters access (<b>REALTIME THREADS</b>)
+pthread_getspecific pthread.h pthread_getspecific, pthread_setspecific - thread-specific data management
+pthread_join pthread.h pthread_join - wait for thread termination
+pthread_key_create pthread.h pthread_key_create - thread-specific data key creation
+pthread_key_delete pthread.h pthread_key_delete - thread-specific data key deletion
+pthread_kill signal.h CX pthread_kill - send a signal to a thread
+pthread_mutex_consistent pthread.h pthread_mutex_consistent - mark state protected by robust mutex as consistent
+pthread_mutex_destroy pthread.h pthread_mutex_destroy, pthread_mutex_init - destroy and initialize a mutex
+pthread_mutex_getprioceiling pthread.h RPP pthread_mutex_getprioceiling, pthread_mutex_setprioceiling - get and set the priority ceiling of a mutex (<b>REALTIME THREADS</b>)
+pthread_mutex_init pthread.h pthread_mutex_destroy, pthread_mutex_init - destroy and initialize a mutex
+pthread_mutex_lock pthread.h pthread_mutex_lock, pthread_mutex_trylock, pthread_mutex_unlock - lock and unlock a mutex
+pthread_mutex_setprioceiling pthread.h RPP pthread_mutex_getprioceiling, pthread_mutex_setprioceiling - get and set the priority ceiling of a mutex (<b>REALTIME THREADS</b>)
+pthread_mutex_timedlock pthread.h time.h pthread_mutex_timedlock - lock a mutex
+pthread_mutex_trylock pthread.h pthread_mutex_lock, pthread_mutex_trylock, pthread_mutex_unlock - lock and unlock a mutex
+pthread_mutex_unlock pthread.h pthread_mutex_lock, pthread_mutex_trylock, pthread_mutex_unlock - lock and unlock a mutex
+pthread_mutexattr_destroy pthread.h pthread_mutexattr_destroy, pthread_mutexattr_init - destroy and initialize the mutex attributes object
+pthread_mutexattr_getprioceiling pthread.h RPP pthread_mutexattr_getprioceiling, pthread_mutexattr_setprioceiling - get and set the prioceiling attribute of the mutex attributes object (<b>REALTIME THREADS</b>)
+pthread_mutexattr_getprotocol pthread.h MC1 pthread_mutexattr_getprotocol, pthread_mutexattr_setprotocol - get and set the protocol attribute of the mutex attributes object (<b>REALTIME THREADS</b>)
+pthread_mutexattr_getpshared pthread.h TSH pthread_mutexattr_getpshared, pthread_mutexattr_setpshared - get and set the process-shared attribute
+pthread_mutexattr_getrobust pthread.h pthread_mutexattr_getrobust, pthread_mutexattr_setrobust - get and set the mutex robust attribute
+pthread_mutexattr_gettype pthread.h pthread_mutexattr_gettype, pthread_mutexattr_settype - get and set the mutex type attribute
+pthread_mutexattr_init pthread.h pthread_mutexattr_destroy, pthread_mutexattr_init - destroy and initialize the mutex attributes object
+pthread_mutexattr_setprioceiling pthread.h RPP pthread_mutexattr_getprioceiling, pthread_mutexattr_setprioceiling - get and set the prioceiling attribute of the mutex attributes object (<b>REALTIME THREADS</b>)
+pthread_mutexattr_setprotocol pthread.h MC1 pthread_mutexattr_getprotocol, pthread_mutexattr_setprotocol - get and set the protocol attribute of the mutex attributes object (<b>REALTIME THREADS</b>)
+pthread_mutexattr_setpshared pthread.h TSH pthread_mutexattr_getpshared, pthread_mutexattr_setpshared - get and set the process-shared attribute
+pthread_mutexattr_setrobust pthread.h pthread_mutexattr_getrobust, pthread_mutexattr_setrobust - get and set the mutex robust attribute
+pthread_mutexattr_settype pthread.h pthread_mutexattr_gettype, pthread_mutexattr_settype - get and set the mutex type attribute
+pthread_once pthread.h pthread_once - dynamic package initialization
+pthread_rwlock_destroy pthread.h pthread_rwlock_destroy, pthread_rwlock_init - destroy and initialize a read-write lock object
+pthread_rwlock_init pthread.h pthread_rwlock_destroy, pthread_rwlock_init - destroy and initialize a read-write lock object
+pthread_rwlock_rdlock pthread.h pthread_rwlock_rdlock, pthread_rwlock_tryrdlock - lock a read-write lock object for reading
+pthread_rwlock_timedrdlock pthread.h time.h pthread_rwlock_timedrdlock - lock a read-write lock for reading
+pthread_rwlock_timedwrlock pthread.h time.h pthread_rwlock_timedwrlock - lock a read-write lock for writing
+pthread_rwlock_tryrdlock pthread.h pthread_rwlock_rdlock, pthread_rwlock_tryrdlock - lock a read-write lock object for reading
+pthread_rwlock_trywrlock pthread.h pthread_rwlock_trywrlock, pthread_rwlock_wrlock - lock a read-write lock object for writing
+pthread_rwlock_unlock pthread.h pthread_rwlock_unlock - unlock a read-write lock object
+pthread_rwlock_wrlock pthread.h pthread_rwlock_trywrlock, pthread_rwlock_wrlock - lock a read-write lock object for writing
+pthread_rwlockattr_destroy pthread.h pthread_rwlockattr_destroy, pthread_rwlockattr_init - destroy and initialize the read-write lock attributes object
+pthread_rwlockattr_getpshared pthread.h TSH pthread_rwlockattr_getpshared, pthread_rwlockattr_setpshared - get and set the process-shared attribute of the read-write lock attributes object
+pthread_rwlockattr_init pthread.h pthread_rwlockattr_destroy, pthread_rwlockattr_init - destroy and initialize the read-write lock attributes object
+pthread_rwlockattr_setpshared pthread.h TSH pthread_rwlockattr_getpshared, pthread_rwlockattr_setpshared - get and set the process-shared attribute of the read-write lock attributes object
+pthread_self pthread.h pthread_self - get the calling thread ID
+pthread_setcancelstate pthread.h pthread_setcancelstate, pthread_setcanceltype, pthread_testcancel - set cancelability state
+pthread_setcanceltype pthread.h pthread_setcancelstate, pthread_setcanceltype, pthread_testcancel - set cancelability state
+pthread_setconcurrency pthread.h OB XSI pthread_getconcurrency, pthread_setconcurrency - get and set the level of concurrency
+pthread_setschedparam pthread.h TPS pthread_getschedparam, pthread_setschedparam - dynamic thread scheduling parameters access (<b>REALTIME THREADS</b>)
+pthread_setschedprio pthread.h TPS pthread_setschedprio - dynamic thread scheduling parameters access (<b>REALTIME THREADS</b>)
+pthread_setspecific pthread.h pthread_getspecific, pthread_setspecific - thread-specific data management
+pthread_sigmask signal.h CX pthread_sigmask, sigprocmask - examine and change blocked signals
+pthread_spin_destroy pthread.h pthread_spin_destroy, pthread_spin_init - destroy or initialize a spin lock object
+pthread_spin_init pthread.h pthread_spin_destroy, pthread_spin_init - destroy or initialize a spin lock object
+pthread_spin_lock pthread.h pthread_spin_lock, pthread_spin_trylock - lock a spin lock object
+pthread_spin_trylock pthread.h pthread_spin_lock, pthread_spin_trylock - lock a spin lock object
+pthread_spin_unlock pthread.h pthread_spin_unlock - unlock a spin lock object
+pthread_testcancel pthread.h pthread_setcancelstate, pthread_setcanceltype, pthread_testcancel - set cancelability state
+ptsname stdlib.h XSI ptsname - get name of the slave pseudo-terminal device
+putc stdio.h putc - put a byte on a stream
+putc_unlocked stdio.h CX getc_unlocked, getchar_unlocked, putc_unlocked, putchar_unlocked - stdio with explicit client locking
+putchar stdio.h putchar - put a byte on a stdout stream
+putchar_unlocked stdio.h CX getc_unlocked, getchar_unlocked, putc_unlocked, putchar_unlocked - stdio with explicit client locking
+putenv stdlib.h XSI putenv - change or add a value to an environment
+puts stdio.h puts - put a string on standard output
+pututxline utmpx.h XSI endutxent, getutxent, getutxid, getutxline, pututxline, setutxent - user accounting database functions
+putwc stdio.h wchar.h putwc - put a wide character on a stream
+putwchar wchar.h putwchar - put a wide character on a stdout stream
+pwrite unistd.h pwrite, write - write on a file
+qsort stdlib.h qsort - sort a table of data
+raise signal.h raise - send a signal to the executing process
+rand stdlib.h OB CX rand, rand_r, srand - pseudo-random number generator
+rand_r stdlib.h OB CX rand, rand_r, srand - pseudo-random number generator
+random stdlib.h XSI initstate, random, setstate, srandom - pseudo-random number functions
+read unistd.h pread, read - read from a file
+readdir dirent.h readdir, readdir_r - read a directory
+readdir_r dirent.h readdir, readdir_r - read a directory
+readlink unistd.h readlink, readlinkat - read the contents of a symbolic link relative to a directory file descriptor
+readlinkat unistd.h readlink, readlinkat - read the contents of a symbolic link relative to a directory file descriptor
+readv sys_uio.h XSI readv - read a vector
+realloc stdlib.h realloc - memory reallocator
+realpath stdlib.h XSI realpath - resolve a pathname
+recv sys_socket.h recv - receive a message from a connected socket
+recvfrom sys_socket.h recvfrom - receive a message from a socket
+recvmsg sys_socket.h recvmsg - receive a message from a socket
+regcomp regex.h regcomp, regerror, regexec, regfree - regular expression matching
+regerror regex.h regcomp, regerror, regexec, regfree - regular expression matching
+regexec regex.h regcomp, regerror, regexec, regfree - regular expression matching
+regfree regex.h regcomp, regerror, regexec, regfree - regular expression matching
+remainder math.h remainder, remainderf, remainderl - remainder function
+remainderf math.h remainder, remainderf, remainderl - remainder function
+remainderl math.h remainder, remainderf, remainderl - remainder function
+remove stdio.h remove - remove a file
+remque search.h XSI insque, remque - insert or remove an element in a queue
+remquo math.h remquo, remquof, remquol - remainder functions
+remquof math.h remquo, remquof, remquol - remainder functions
+remquol math.h remquo, remquof, remquol - remainder functions
+rename stdio.h CX rename, renameat - rename file relative to directory file descriptor
+renameat stdio.h CX rename, renameat - rename file relative to directory file descriptor
+rewind stdio.h rewind - reset the file position indicator in a stream
+rewinddir dirent.h rewinddir - reset the position of a directory stream to the beginning of a directory
+rint math.h rint, rintf, rintl - round-to-nearest integral value
+rintf math.h rint, rintf, rintl - round-to-nearest integral value
+rintl math.h rint, rintf, rintl - round-to-nearest integral value
+rmdir unistd.h rmdir - remove a directory
+round math.h round, roundf, roundl - round to the nearest integer value in a floating-point format
+roundf math.h round, roundf, roundl - round to the nearest integer value in a floating-point format
+roundl math.h round, roundf, roundl - round to the nearest integer value in a floating-point format
+scalbln math.h scalbln, scalblnf, scalblnl, scalbn, scalbnf, scalbnl - compute exponent using FLT_RADIX
+scalblnf math.h scalbln, scalblnf, scalblnl, scalbn, scalbnf, scalbnl - compute exponent using FLT_RADIX
+scalblnl math.h scalbln, scalblnf, scalblnl, scalbn, scalbnf, scalbnl - compute exponent using FLT_RADIX
+scalbn math.h scalbln, scalblnf, scalblnl, scalbn, scalbnf, scalbnl - compute exponent using FLT_RADIX
+scalbnf math.h scalbln, scalblnf, scalblnl, scalbn, scalbnf, scalbnl - compute exponent using FLT_RADIX
+scalbnl math.h scalbln, scalblnf, scalblnl, scalbn, scalbnf, scalbnl - compute exponent using FLT_RADIX
+scandir dirent.h alphasort, scandir - scan a directory
+scanf stdio.h fscanf, scanf, sscanf - convert formatted input
+sched_get_priority_max sched.h PS sched_get_priority_max, sched_get_priority_min - get priority limits (<b>REALTIME</b>)
+sched_get_priority_min sched.h PS sched_get_priority_max, sched_get_priority_min - get priority limits (<b>REALTIME</b>)
+sched_getparam sched.h PS sched_getparam - get scheduling parameters (<b>REALTIME</b>)
+sched_getscheduler sched.h PS sched_getscheduler - get scheduling policy (<b>REALTIME</b>)
+sched_rr_get_interval sched.h PS sched_rr_get_interval - get execution time limits (<b>REALTIME</b>)
+sched_setparam sched.h PS sched_setparam - set scheduling parameters (<b>REALTIME</b>)
+sched_setscheduler sched.h PS sched_setscheduler - set scheduling policy and parameters (<b>REALTIME</b>)
+sched_yield sched.h sched_yield - yield the processor
+seed48 stdlib.h XSI drand48, erand48, jrand48, lcong48, lrand48, mrand48, nrand48, seed48, srand48 - generate uniformly distributed pseudo-random numbers
+seekdir dirent.h XSI seekdir - set the position of a directory stream
+select sys_select.h pselect, select - synchronous I/O multiplexing
+sem_close semaphore.h sem_close - close a named semaphore
+sem_destroy semaphore.h sem_destroy - destroy an unnamed semaphore
+sem_getvalue semaphore.h sem_getvalue - get the value of a semaphore
+sem_init semaphore.h sem_init - initialize an unnamed semaphore
+sem_open semaphore.h sem_open - initialize and open a named semaphore
+sem_post semaphore.h sem_post - unlock a semaphore
+sem_timedwait semaphore.h time.h sem_timedwait - lock a semaphore
+sem_trywait semaphore.h sem_trywait, sem_wait - lock a semaphore
+sem_unlink semaphore.h sem_unlink - remove a named semaphore
+sem_wait semaphore.h sem_trywait, sem_wait - lock a semaphore
+semctl sys/sem.h XSI semctl - XSI semaphore control operations
+semget sys_sem.h XSI semget - get set of XSI semaphores
+semop sys_sem.h XSI semop - XSI semaphore operations
+send sys_socket.h send - send a message on a socket
+sendmsg sys_socket.h sendmsg - send a message on a socket using a message structure
+sendto sys_socket.h sendto - send a message on a socket
+setbuf stdio.h setbuf - assign buffering to a stream
+setegid unistd.h setegid - set the effective group ID
+setenv stdlib.h CX setenv - add or change environment variable
+seteuid unistd.h seteuid - set effective user ID
+setgid unistd.h setgid - set-group-ID
+setgrent grp.h XSI endgrent, getgrent, setgrent - group database entry functions
+sethostent netdb.h endhostent, gethostent, sethostent - network host database functions
+setitimer sys_time.h OB XSI getitimer, setitimer - get and set value of interval timer
+setjmp setjmp.h setjmp - set jump point for a non-local goto
+setkey stdlib.h XSI setkey - set encoding key (<b>CRYPT</b>)
+setlocale locale.h setlocale - set program locale
+setlogmask syslog.h XSI closelog, openlog, setlogmask, syslog - control system log
+setnetent netdb.h endnetent, getnetbyaddr, getnetbyname, getnetent, setnetent - network database functions
+setpgid unistd.h setpgid - set process group ID for job control
+setpgrp unistd.h OB XSI setpgrp - set the process group ID
+setpriority sys_resource.h XSI getpriority, setpriority - get and set the nice value
+setprotoent netdb.h endprotoent, getprotobyname, getprotobynumber, getprotoent, setprotoent - network protocol database functions
+setpwent pwd.h XSI endpwent, getpwent, setpwent - user database functions
+setregid unistd.h XSI setregid - set real and effective group IDs
+setreuid unistd.h XSI setreuid - set real and effective user IDs
+setrlimit sys_resource.h XSI getrlimit, setrlimit - control maximum resource consumption
+setservent netdb.h endservent, getservbyname, getservbyport, getservent, setservent - network services database functions
+setsid unistd.h setsid - create session and set process group ID
+setsockopt sys_socket.h setsockopt - set the socket options
+setstate stdlib.h XSI initstate, random, setstate, srandom - pseudo-random number functions
+setuid unistd.h setuid - set user ID
+setutxent utmpx.h XSI endutxent, getutxent, getutxid, getutxline, pututxline, setutxent - user accounting database functions
+setvbuf stdio.h setvbuf - assign buffering to a stream
+shm_open sys_mman.h SHM shm_open - open a shared memory object (<b>REALTIME</b>)
+shm_unlink sys_mman.h SHM shm_unlink - remove a shared memory object (<b>REALTIME</b>)
+shmat sys_shm.h XSI shmat - XSI shared memory attach operation
+shmctl sys_shm.h XSI shmctl - XSI shared memory control operations
+shmdt sys_shm.h XSI shmdt - XSI shared memory detach operation
+shmget sys_shm.h XSI shmget - get an XSI shared memory segment
+shutdown sys_socket.h shutdown - shut down socket send and receive operations
+sigaction signal.h CX sigaction - examine and change a signal action
+sigaddset signal.h CX sigaddset - add a signal to a signal set
+sigaltstack signal.h XSI sigaltstack - set and get signal alternate stack context
+sigdelset signal.h CX sigdelset - delete a signal from a signal set
+sigemptyset signal.h CX sigemptyset - initialize and empty a signal set
+sigfillset signal.h CX sigfillset - initialize and fill a signal set
+sighold signal.h OB XSI sighold, sigignore, sigpause, sigrelse, sigset - signal management
+sigignore signal.h OB XSI sighold, sigignore, sigpause, sigrelse, sigset - signal management
+siginterrupt signal.h OB XSI siginterrupt - allow signals to interrupt functions
+sigismember signal.h CX sigismember - test for a signal in a signal set
+siglongjmp setjmp.h CX siglongjmp - non-local goto with signal handling
+signal signal.h signal - signal management
+signbit math.h signbit - test sign
+signgam math.h XSI lgamma, lgammaf, lgammal, signgam - log gamma function
+sigpause signal.h OB XSI sighold, sigignore, sigpause, sigrelse, sigset - signal management
+sigpending signal.h CX sigpending - examine pending signals
+sigprocmask signal.h CX pthread_sigmask, sigprocmask - examine and change blocked signals
+sigqueue signal.h CX sigqueue - queue a signal to a process
+sigrelse signal.h OB XSI sighold, sigignore, sigpause, sigrelse, sigset - signal management
+sigset signal.h OB XSI sighold, sigignore, sigpause, sigrelse, sigset - signal management
+sigsetjmp setjmp.h CX sigsetjmp - set jump point for a non-local goto
+sigsuspend signal.h CX sigsuspend - wait for a signal
+sigtimedwait signal.h CX sigtimedwait, sigwaitinfo - wait for queued signals
+sigwait signal.h CX sigwait - wait for queued signals
+sigwaitinfo signal.h CX sigtimedwait, sigwaitinfo - wait for queued signals
+sin math.h sin, sinf, sinl - sine function
+sinf math.h sin, sinf, sinl - sine function
+sinh math.h sinh, sinhf, sinhl - hyperbolic sine functions
+sinhf math.h sinh, sinhf, sinhl - hyperbolic sine functions
+sinhl math.h sinh, sinhf, sinhl - hyperbolic sine functions
+sinl math.h sin, sinf, sinl - sine function
+sleep unistd.h sleep - suspend execution for an interval of time
+snprintf stdio.h CX dprintf, fprintf, printf, snprintf, sprintf - print formatted output
+sockatmark sys_socket.h sockatmark - determine whether a socket is at the out-of-band mark
+socket sys_socket.h socket - create an endpoint for communication
+socketpair sys_socket.h socketpair - create a pair of connected sockets
+sprintf stdio.h CX dprintf, fprintf, printf, snprintf, sprintf - print formatted output
+sqrt math.h sqrt, sqrtf, sqrtl - square root function
+sqrtf math.h sqrt, sqrtf, sqrtl - square root function
+sqrtl math.h sqrt, sqrtf, sqrtl - square root function
+srand stdlib.h OB CX rand, rand_r, srand - pseudo-random number generator
+srand48 stdlib.h XSI drand48, erand48, jrand48, lcong48, lrand48, mrand48, nrand48, seed48, srand48 - generate uniformly distributed pseudo-random numbers
+srandom stdlib.h XSI initstate, random, setstate, srandom - pseudo-random number functions
+sscanf stdio.h fscanf, scanf, sscanf - convert formatted input
+stat sys_stat.h fstatat, lstat, stat - get file status
+statvfs sys_statvfs.h fstatvfs, statvfs - get file system information
+stderr stdio.h stderr, stdin, stdout - standard I/O streams
+stdin stdio.h stderr, stdin, stdout - standard I/O streams
+stdout stdio.h stderr, stdin, stdout - standard I/O streams
+stpcpy string.h CX stpcpy, strcpy - copy a string and return a pointer to the end of the result
+stpncpy string.h CX stpncpy, strncpy - copy fixed length string, returning a pointer to the array end
+strcasecmp strings.h strcasecmp, strcasecmp_l, strncasecmp, strncasecmp_l - case-insensitive string comparisons
+strcasecmp_l strings.h strcasecmp, strcasecmp_l, strncasecmp, strncasecmp_l - case-insensitive string comparisons
+strcat string.h strcat - concatenate two strings
+strchr string.h strchr - string scanning operation
+strcmp string.h strcmp - compare two strings
+strcoll string.h CX strcoll, strcoll_l - string comparison using collating information
+strcoll_l string.h CX strcoll, strcoll_l - string comparison using collating information
+strcpy string.h CX stpcpy, strcpy - copy a string and return a pointer to the end of the result
+strcspn string.h strcspn - get the length of a complementary substring
+strdup string.h CX strdup, strndup - duplicate a specific number of bytes from a string
+strerror string.h CX strerror, strerror_l, strerror_r - get error message string
+strerror_l string.h CX strerror, strerror_l, strerror_r - get error message string
+strerror_r string.h CX strerror, strerror_l, strerror_r - get error message string
+strfmon monetary.h strfmon, strfmon_l - convert monetary value to a string
+strfmon_l monetary.h strfmon, strfmon_l - convert monetary value to a string
+strftime time.h CX strftime, strftime_l - convert date and time to a string
+strftime_l time.h CX strftime, strftime_l - convert date and time to a string
+strlen string.h CX strlen, strnlen - get length of fixed size string
+strncasecmp strings.h strcasecmp, strcasecmp_l, strncasecmp, strncasecmp_l - case-insensitive string comparisons
+strncasecmp_l strings.h strcasecmp, strcasecmp_l, strncasecmp, strncasecmp_l - case-insensitive string comparisons
+strncat string.h strncat - concatenate a string with part of another
+strncmp string.h strncmp - compare part of two strings
+strncpy string.h CX stpncpy, strncpy - copy fixed length string, returning a pointer to the array end
+strndup string.h CX strdup, strndup - duplicate a specific number of bytes from a string
+strnlen string.h CX strlen, strnlen - get length of fixed size string
+strpbrk string.h strpbrk - scan a string for a byte
+strptime time.h XSI strptime - date and time conversion
+strrchr string.h strrchr - string scanning operation
+strsignal string.h CX strsignal - get name of signal
+strspn string.h strspn - get length of a substring
+strstr string.h strstr - find a substring
+strtod stdlib.h strtod, strtof, strtold - convert a string to a double-precision number
+strtof stdlib.h strtod, strtof, strtold - convert a string to a double-precision number
+strtoimax inttypes.h strtoimax, strtoumax - convert string to integer type
+strtok string.h CX strtok, strtok_r - split string into tokens
+strtok_r string.h CX strtok, strtok_r - split string into tokens
+strtol stdlib.h strtol, strtoll - convert a string to a long integer
+strtold stdlib.h strtod, strtof, strtold - convert a string to a double-precision number
+strtoll stdlib.h strtol, strtoll - convert a string to a long integer
+strtoul stdlib.h strtoul, strtoull - convert a string to an unsigned long
+strtoull stdlib.h strtoul, strtoull - convert a string to an unsigned long
+strtoumax inttypes.h strtoimax, strtoumax - convert string to integer type
+strxfrm string.h CX strxfrm, strxfrm_l - string transformation
+strxfrm_l string.h CX strxfrm, strxfrm_l - string transformation
+swab unistd.h XSI swab - swap bytes
+swprintf stdio.h wchar.h fwprintf, swprintf, wprintf - print formatted wide-character output
+swscanf stdio.h wchar.h fwscanf, swscanf, wscanf - convert formatted wide-character input
+symlink unistd.h symlink, symlinkat - make a symbolic link relative to directory file descriptor
+symlinkat unistd.h symlink, symlinkat - make a symbolic link relative to directory file descriptor
+sync unistd.h XSI sync - schedule file system updates
+sysconf unistd.h sysconf - get configurable system variables
+syslog syslog.h XSI closelog, openlog, setlogmask, syslog - control system log
+system stdlib.h system - issue a command
+tan math.h tan, tanf, tanl - tangent function
+tanf math.h tan, tanf, tanl - tangent function
+tanh math.h tanh, tanhf, tanhl - hyperbolic tangent functions
+tanhf math.h tanh, tanhf, tanhl - hyperbolic tangent functions
+tanhl math.h tanh, tanhf, tanhl - hyperbolic tangent functions
+tanl math.h tan, tanf, tanl - tangent function
+tcdrain termios.h tcdrain - wait for transmission of output
+tcflow termios.h tcflow - suspend or restart the transmission or reception of data
+tcflush termios.h tcflush - flush non-transmitted output data, non-read input data, or both
+tcgetattr termios.h tcgetattr - get the parameters associated with the terminal
+tcgetpgrp unistd.h tcgetpgrp - get the foreground process group ID
+tcgetsid termios.h tcgetsid - get the process group ID for the session leader for the controlling terminal
+tcsendbreak termios.h tcsendbreak - send a break for a specific duration
+tcsetattr termios.h tcsetattr - set the parameters associated with the terminal
+tcsetpgrp unistd.h tcsetpgrp - set the foreground process group ID
+tdelete search.h XSI tdelete, tfind, tsearch, twalk - manage a binary search tree
+telldir dirent.h XSI telldir - current location of a named directory stream
+tempnam stdio.h OB XSI tempnam - create a name for a temporary file
+tfind search.h XSI tdelete, tfind, tsearch, twalk - manage a binary search tree
+tgamma math.h tgamma, tgammaf, tgammal - compute gamma() function
+tgammaf math.h tgamma, tgammaf, tgammal - compute gamma() function
+tgammal math.h tgamma, tgammaf, tgammal - compute gamma() function
+time time.h time - get time
+timer_create signal.h time.h CX timer_create - create a per-process timer
+timer_delete time.h CX timer_delete - delete a per-process timer
+timer_getoverrun time.h CX timer_getoverrun, timer_gettime, timer_settime - per-process timers
+timer_gettime time.h CX timer_getoverrun, timer_gettime, timer_settime - per-process timers
+timer_settime time.h CX timer_getoverrun, timer_gettime, timer_settime - per-process timers
+times sys_times.h times - get process and waited-for child process times
+timezone time.h XSI CX daylight, timezone, tzname, tzset - set timezone conversion information
+tmpfile stdio.h tmpfile - create a temporary file
+tmpnam stdio.h OB tmpnam - create a name for a temporary file
+toascii ctype.h OB XSI toascii - translate an integer to a 7-bit ASCII character
+tolower ctype.h CX tolower, tolower_l - transliterate uppercase characters to lowercase
+tolower_l ctype.h CX tolower, tolower_l - transliterate uppercase characters to lowercase
+toupper ctype.h CX toupper, toupper_l - transliterate lowercase characters to uppercase
+toupper_l ctype.h CX toupper, toupper_l - transliterate lowercase characters to uppercase
+towctrans wctype.h CX towctrans, towctrans_l - wide-character transliteration
+towctrans_l wctype.h CX towctrans, towctrans_l - wide-character transliteration
+towlower wctype.h CX towlower, towlower_l - transliterate uppercase wide-character code to lowercase
+towlower_l wctype.h CX towlower, towlower_l - transliterate uppercase wide-character code to lowercase
+towupper wctype.h CX towupper, towupper_l - transliterate lowercase wide-character code to uppercase
+towupper_l wctype.h CX towupper, towupper_l - transliterate lowercase wide-character code to uppercase
+trunc math.h trunc, truncf, truncl - round to truncated integer value
+truncate unistd.h truncate - truncate a file to a specified length
+truncf math.h trunc, truncf, truncl - round to truncated integer value
+truncl math.h trunc, truncf, truncl - round to truncated integer value
+tsearch search.h XSI tdelete, tfind, tsearch, twalk - manage a binary search tree
+ttyname unistd.h ttyname, ttyname_r - find the pathname of a terminal
+ttyname_r unistd.h ttyname, ttyname_r - find the pathname of a terminal
+twalk search.h XSI tdelete, tfind, tsearch, twalk - manage a binary search tree
+tzname time.h XSI CX daylight, timezone, tzname, tzset - set timezone conversion information
+tzset time.h XSI CX daylight, timezone, tzname, tzset - set timezone conversion information
+ulimit ulimit.h OB XSI ulimit - get and set process limits
+umask sys_stat.h umask - set and get the file mode creation mask
+uname sys_utsname.h uname - get the name of the current system
+ungetc stdio.h ungetc - push byte back into input stream
+ungetwc stdio.h wchar.h ungetwc - push wide-character code back into the input stream
+unlink unistd.h unlink, unlinkat - remove a directory entry relative to directory file descriptor
+unlinkat unistd.h unlink, unlinkat - remove a directory entry relative to directory file descriptor
+unlockpt stdlib.h XSI unlockpt - unlock a pseudo-terminal master/slave pair
+unsetenv stdlib.h CX unsetenv - remove an environment variable
+uselocale locale.h CX uselocale - use locale in current thread
+utime utime.h OB utime - set file access and modification times
+utimensat sys_stat.h sys_time.h XSI futimens, utimensat, utimes - set file access and modification times
+utimes sys_stat.h sys_time.h XSI futimens, utimensat, utimes - set file access and modification times
+va_arg stdarg.h va_arg, va_copy, va_end, va_start - handle variable argument list
+va_copy stdarg.h va_arg, va_copy, va_end, va_start - handle variable argument list
+va_end stdarg.h va_arg, va_copy, va_end, va_start - handle variable argument list
+va_start stdarg.h va_arg, va_copy, va_end, va_start - handle variable argument list
+vdprintf stdarg.h stdio.h CX vdprintf, vfprintf, vprintf, vsnprintf, vsprintf - format output of a stdarg argument list
+vfprintf stdarg.h stdio.h CX vdprintf, vfprintf, vprintf, vsnprintf, vsprintf - format output of a stdarg argument list
+vfscanf stdarg.h stdio.h vfscanf, vscanf, vsscanf - format input of a stdarg argument list
+vfwprintf stdarg.h stdio.h wchar.h vfwprintf, vswprintf, vwprintf - wide-character formatted output of a stdarg argument list
+vfwscanf stdarg.h stdio.h wchar.h vfwscanf, vswscanf, vwscanf - wide-character formatted input of a stdarg argument list
+vprintf stdarg.h stdio.h CX vdprintf, vfprintf, vprintf, vsnprintf, vsprintf - format output of a stdarg argument list
+vscanf stdarg.h stdio.h vfscanf, vscanf, vsscanf - format input of a stdarg argument list
+vsnprintf stdarg.h stdio.h CX vdprintf, vfprintf, vprintf, vsnprintf, vsprintf - format output of a stdarg argument list
+vsprintf stdarg.h stdio.h CX vdprintf, vfprintf, vprintf, vsnprintf, vsprintf - format output of a stdarg argument list
+vsscanf stdarg.h stdio.h vfscanf, vscanf, vsscanf - format input of a stdarg argument list
+vswprintf stdarg.h stdio.h wchar.h vfwprintf, vswprintf, vwprintf - wide-character formatted output of a stdarg argument list
+vswscanf stdarg.h stdio.h wchar.h vfwscanf, vswscanf, vwscanf - wide-character formatted input of a stdarg argument list
+vwprintf stdarg.h stdio.h wchar.h vfwprintf, vswprintf, vwprintf - wide-character formatted output of a stdarg argument list
+vwscanf stdarg.h stdio.h wchar.h vfwscanf, vswscanf, vwscanf - wide-character formatted input of a stdarg argument list
+wait sys_wait.h wait, waitpid - wait for a child process to stop or terminate
+waitid sys_wait.h waitid - wait for a child process to change state
+waitpid sys_wait.h wait, waitpid - wait for a child process to stop or terminate
+wcpcpy wchar.h CX wcpcpy, wcscpy - copy a wide-character string, returning a pointer to its end
+wcpncpy wchar.h CX wcpncpy, wcsncpy - copy a fixed-size wide-character string, returning a pointer to its end
+wcrtomb stdio.h wcrtomb - convert a wide-character code to a character (restartable)
+wcscasecmp wchar.h CX wcscasecmp, wcscasecmp_l, wcsncasecmp, wcsncasecmp_l - case-insensitive wide-character string comparison
+wcscasecmp_l wchar.h CX wcscasecmp, wcscasecmp_l, wcsncasecmp, wcsncasecmp_l - case-insensitive wide-character string comparison
+wcscat wchar.h wcscat - concatenate two wide-character strings
+wcschr wchar.h wcschr - wide-character string scanning operation
+wcscmp wchar.h wcscmp - compare two wide-character strings
+wcscoll wchar.h CX wcscoll, wcscoll_l - wide-character string comparison using collating information
+wcscoll_l wchar.h CX wcscoll, wcscoll_l - wide-character string comparison using collating information
+wcscpy wchar.h CX wcpcpy, wcscpy - copy a wide-character string, returning a pointer to its end
+wcscspn wchar.h wcscspn - get the length of a complementary wide substring
+wcsdup wchar.h CX wcsdup - duplicate a wide-character string
+wcsftime wchar.h wcsftime - convert date and time to a wide-character string
+wcslen wchar.h CX wcslen, wcsnlen - get length of a fixed-sized wide-character string
+wcsncasecmp wchar.h CX wcscasecmp, wcscasecmp_l, wcsncasecmp, wcsncasecmp_l - case-insensitive wide-character string comparison
+wcsncasecmp_l wchar.h CX wcscasecmp, wcscasecmp_l, wcsncasecmp, wcsncasecmp_l - case-insensitive wide-character string comparison
+wcsncat wchar.h wcsncat - concatenate a wide-character string with part of another
+wcsncmp wchar.h wcsncmp - compare part of two wide-character strings
+wcsncpy wchar.h CX wcpncpy, wcsncpy - copy a fixed-size wide-character string, returning a pointer to its end
+wcsnlen wchar.h CX wcslen, wcsnlen - get length of a fixed-sized wide-character string
+wcsnrtombs wchar.h CX wcsnrtombs, wcsrtombs - convert a wide-character string to a character string (restartable)
+wcspbrk wchar.h wcspbrk - scan a wide-character string for a wide-character code
+wcsrchr wchar.h wcsrchr - wide-character string scanning operation
+wcsrtombs wchar.h CX wcsnrtombs, wcsrtombs - convert a wide-character string to a character string (restartable)
+wcsspn wchar.h wcsspn - get the length of a wide substring
+wcsstr wchar.h wcsstr - find a wide-character substring
+wcstod wchar.h wcstod, wcstof, wcstold - convert a wide-character string to a double-precision number
+wcstof wchar.h wcstod, wcstof, wcstold - convert a wide-character string to a double-precision number
+wcstoimax stddef.h inttypes.h wcstoimax, wcstoumax - convert a wide-character string to an integer type
+wcstok wchar.h wcstok - split a wide-character string into tokens
+wcstol wchar.h wcstol, wcstoll - convert a wide-character string to a long integer
+wcstold wchar.h wcstod, wcstof, wcstold - convert a wide-character string to a double-precision number
+wcstoll wchar.h wcstol, wcstoll - convert a wide-character string to a long integer
+wcstombs stdlib.h wcstombs - convert a wide-character string to a character string
+wcstoul wchar.h wcstoul, wcstoull - convert a wide-character string to an unsigned long
+wcstoull wchar.h wcstoul, wcstoull - convert a wide-character string to an unsigned long
+wcstoumax stddef.h inttypes.h wcstoimax, wcstoumax - convert a wide-character string to an integer type
+wcswidth wchar.h XSI wcswidth - number of column positions of a wide-character string
+wcsxfrm wchar.h CX wcsxfrm, wcsxfrm_l - wide-character string transformation
+wcsxfrm_l wchar.h CX wcsxfrm, wcsxfrm_l - wide-character string transformation
+wctob stdio.h wchar.h wctob - wide-character to single-byte conversion
+wctomb stdlib.h wctomb - convert a wide-character code to a character
+wctrans wctype.h CX wctrans, wctrans_l - define character mapping
+wctrans_l wctype.h CX wctrans, wctrans_l - define character mapping
+wctype wctype.h CX wctype, wctype_l - define character class
+wctype_l wctype.h CX wctype, wctype_l - define character class
+wcwidth wchar.h XSI wcwidth - number of column positions of a wide-character code
+wmemchr wchar.h wmemchr - find a wide character in memory
+wmemcmp wchar.h wmemcmp - compare wide characters in memory
+wmemcpy wchar.h wmemcpy - copy wide characters in memory
+wmemmove wchar.h wmemmove - copy wide characters in memory with overlapping areas
+wmemset wchar.h wmemset - set wide characters in memory
+wordexp wordexp.h wordexp, wordfree - perform word expansions
+wordfree wordexp.h wordexp, wordfree - perform word expansions
+wprintf stdio.h wchar.h fwprintf, swprintf, wprintf - print formatted wide-character output
+write unistd.h pwrite, write - write on a file
+writev sys_uio.h XSI writev - write a vector
+wscanf stdio.h wchar.h fwscanf, swscanf, wscanf - convert formatted wide-character input
+y0 math.h XSI y0, y1, yn - Bessel functions of the second kind
+y1 math.h XSI y0, y1, yn - Bessel functions of the second kind
+yn math.h XSI y0, y1, yn - Bessel functions of the second kind