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- #ifndef _CTYPE_H
- #define _CTYPE_H
- #ifdef __cplusplus
- extern "C" {
- #endif
- #include <features.h>
- int isalnum(int);
- int isalpha(int);
- int isblank(int);
- int iscntrl(int);
- int isdigit(int);
- int isgraph(int);
- int islower(int);
- int isprint(int);
- int ispunct(int);
- int isspace(int);
- int isupper(int);
- int isxdigit(int);
- int tolower(int);
- int toupper(int);
- #ifndef __cplusplus
- static __inline int __isspace(int _c)
- {
- return _c == ' ' || (unsigned)_c-'\t' < 5;
- }
- #define isalpha(a) (0 ? isalpha(a) : (((unsigned)(a)|32)-'a') < 26)
- #define isdigit(a) (0 ? isdigit(a) : ((unsigned)(a)-'0') < 10)
- #define islower(a) (0 ? islower(a) : ((unsigned)(a)-'a') < 26)
- #define isupper(a) (0 ? isupper(a) : ((unsigned)(a)-'A') < 26)
- #define isprint(a) (0 ? isprint(a) : ((unsigned)(a)-0x20) < 0x5f)
- #define isgraph(a) (0 ? isgraph(a) : ((unsigned)(a)-0x21) < 0x5e)
- #define isspace(a) __isspace(a)
- #endif
- #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
- || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
- || defined(_BSD_SOURCE)
- #define __NEED_locale_t
- #include <bits/alltypes.h>
- int isalnum_l(int, locale_t);
- int isalpha_l(int, locale_t);
- int isblank_l(int, locale_t);
- int iscntrl_l(int, locale_t);
- int isdigit_l(int, locale_t);
- int isgraph_l(int, locale_t);
- int islower_l(int, locale_t);
- int isprint_l(int, locale_t);
- int ispunct_l(int, locale_t);
- int isspace_l(int, locale_t);
- int isupper_l(int, locale_t);
- int isxdigit_l(int, locale_t);
- int tolower_l(int, locale_t);
- int toupper_l(int, locale_t);
- int isascii(int);
- int toascii(int);
- #define _tolower(a) ((a)|0x20)
- #define _toupper(a) ((a)&0x5f)
- #define isascii(a) (0 ? isascii(a) : (unsigned)(a) < 128)
- #endif
- #ifdef __cplusplus
- }
- #endif
- #endif
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