#define SEEK_SET 0
#define SEEK_CUR 1
#define SEEK_END 2
+#define SEEK_DATA 3
+#define SEEK_HOLE 4
-#ifdef __cplusplus
+#if __cplusplus >= 201103L
+#define NULL nullptr
+#elif defined(__cplusplus)
#define NULL 0L
#else
#define NULL ((void*)0)
int pause(void);
pid_t fork(void);
+pid_t _Fork(void);
int execve(const char *, char *const [], char *const []);
int execv(const char *, char *const []);
int execle(const char *, const char *, ...);
gid_t getegid(void);
int getgroups(int, gid_t []);
int setuid(uid_t);
-int setreuid(uid_t, uid_t);
int seteuid(uid_t);
int setgid(gid_t);
-int setregid(gid_t, gid_t);
int setegid(gid_t);
char *getlogin(void);
long sysconf(int);
size_t confstr(int, char *, size_t);
+#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define F_ULOCK 0
#define F_LOCK 1
#define F_TLOCK 2
#define F_TEST 3
-
-#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+int setreuid(uid_t, uid_t);
+int setregid(gid_t, gid_t);
int lockf(int, int, off_t);
long gethostid(void);
int nice(int);
void sync(void);
-#endif
-
-#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
pid_t setpgrp(void);
char *crypt(const char *, const char *);
void encrypt(char *, int);
long syscall(long, ...);
int execvpe(const char *, char *const [], char *const []);
int issetugid(void);
+int getentropy(void *, size_t);
+extern int optreset;
#endif
#ifdef _GNU_SOURCE
int getresuid(uid_t *, uid_t *, uid_t *);
int getresgid(gid_t *, gid_t *, gid_t *);
char *get_current_dir_name(void);
-void syncfs(int);
+int syncfs(int);
int euidaccess(const char *, int);
int eaccess(const char *, int);
+ssize_t copy_file_range(int, off_t *, int, off_t *, size_t, unsigned);
+pid_t gettid(void);
#endif
#if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE)
#define _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS 1145
#define _CS_POSIX_V7_LPBIG_OFFBIG_LIBS 1146
#define _CS_POSIX_V7_LPBIG_OFFBIG_LINTFLAGS 1147
+#define _CS_V6_ENV 1148
+#define _CS_V7_ENV 1149
+#define _CS_POSIX_V7_THREADS_CFLAGS 1150
+#define _CS_POSIX_V7_THREADS_LDFLAGS 1151
#ifdef __cplusplus
}