25 static __inline int __isspace(int _c)
27 return _c == ' ' || (unsigned)_c-'\t' < 5;
30 #define isalpha(a) ((((unsigned)(a)|32)-'a') < 26)
31 #define isdigit(a) (((unsigned)(a)-'0') < 10)
32 #define islower(a) (((unsigned)(a)-'a') < 26)
33 #define isupper(a) (((unsigned)(a)-'A') < 26)
34 #define isprint(a) (((unsigned)(a)-0x20) < 0x5f)
35 #define isgraph(a) (((unsigned)(a)-0x21) < 0x5e)
36 #define isspace(a) __isspace(a)
39 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
40 || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
41 || defined(_BSD_SOURCE)
43 #define __NEED_locale_t
44 #include <bits/alltypes.h>
46 int isalnum_l(int, locale_t);
47 int isalpha_l(int, locale_t);
48 int isblank_l(int, locale_t);
49 int iscntrl_l(int, locale_t);
50 int isdigit_l(int, locale_t);
51 int isgraph_l(int, locale_t);
52 int islower_l(int, locale_t);
53 int isprint_l(int, locale_t);
54 int ispunct_l(int, locale_t);
55 int isspace_l(int, locale_t);
56 int isupper_l(int, locale_t);
57 int isxdigit_l(int, locale_t);
58 int tolower_l(int, locale_t);
59 int toupper_l(int, locale_t);
63 #define _tolower(a) ((a)|0x20)
64 #define _toupper(a) ((a)&0x5f)