include/ctype.h

   1 #ifndef _CTYPE_H
   2 #define _CTYPE_H
   3
   4 #ifdef __cplusplus
   5 extern "C" {
   6 #endif
   7
   8 #include <features.h>
   9
  10 int   isalnum(int);
  11 int   isalpha(int);
  12 int   isblank(int);
  13 int   iscntrl(int);
  14 int   isdigit(int);
  15 int   isgraph(int);
  16 int   islower(int);
  17 int   isprint(int);
  18 int   ispunct(int);
  19 int   isspace(int);
  20 int   isupper(int);
  21 int   isxdigit(int);
  22 int   tolower(int);
  23 int   toupper(int);
  24
  25 #ifndef __cplusplus
  26 static __inline int __isspace(int _c)
  27 {
  28         return _c == ' ' || (unsigned)_c-'\t' < 5;
  29 }
  30
  31 #define isalpha(a) (0 ? isalpha(a) : (((unsigned)(a)|32)-'a') < 26)
  32 #define isdigit(a) (0 ? isdigit(a) : ((unsigned)(a)-'0') < 10)
  33 #define islower(a) (0 ? islower(a) : ((unsigned)(a)-'a') < 26)
  34 #define isupper(a) (0 ? isupper(a) : ((unsigned)(a)-'A') < 26)
  35 #define isprint(a) (0 ? isprint(a) : ((unsigned)(a)-0x20) < 0x5f)
  36 #define isgraph(a) (0 ? isgraph(a) : ((unsigned)(a)-0x21) < 0x5e)
  37 #define isspace(a) __isspace(a)
  38 #endif
  39
  40
  41 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
  42  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
  43  || defined(_BSD_SOURCE)
  44
  45 #define __NEED_locale_t
  46 #include <bits/alltypes.h>
  47
  48 int   isalnum_l(int, locale_t);
  49 int   isalpha_l(int, locale_t);
  50 int   isblank_l(int, locale_t);
  51 int   iscntrl_l(int, locale_t);
  52 int   isdigit_l(int, locale_t);
  53 int   isgraph_l(int, locale_t);
  54 int   islower_l(int, locale_t);
  55 int   isprint_l(int, locale_t);
  56 int   ispunct_l(int, locale_t);
  57 int   isspace_l(int, locale_t);
  58 int   isupper_l(int, locale_t);
  59 int   isxdigit_l(int, locale_t);
  60 int   tolower_l(int, locale_t);
  61 int   toupper_l(int, locale_t);
  62
  63 int   isascii(int);
  64 int   toascii(int);
  65 #define _tolower(a) ((a)|0x20)
  66 #define _toupper(a) ((a)&0x5f)
  67 #define isascii(a) (0 ? isascii(a) : (unsigned)(a) < 128)
  68
  69 #endif
  70
  71 #ifdef __cplusplus
  72 }
  73 #endif
  74
  75 #endif