libc/newlib/libc/include/ctype.h

84 lines
2.5 KiB
C

#ifndef _CTYPE_H_
#define _CTYPE_H_
#include "_ansi.h"
_BEGIN_STD_C
int _EXFUN(isalnum, (int __c));
int _EXFUN(isalpha, (int __c));
int _EXFUN(iscntrl, (int __c));
int _EXFUN(isdigit, (int __c));
int _EXFUN(isgraph, (int __c));
int _EXFUN(islower, (int __c));
int _EXFUN(isprint, (int __c));
int _EXFUN(ispunct, (int __c));
int _EXFUN(isspace, (int __c));
int _EXFUN(isupper, (int __c));
int _EXFUN(isxdigit,(int __c));
int _EXFUN(tolower, (int __c));
int _EXFUN(toupper, (int __c));
#if !defined(__STRICT_ANSI__) || defined(__cplusplus) || __STDC_VERSION__ >= 199901L
int _EXFUN(isblank, (int __c));
#endif
#ifndef __STRICT_ANSI__
int _EXFUN(isascii, (int __c));
int _EXFUN(toascii, (int __c));
#define _tolower(c) ((unsigned char)(c) - 'A' + 'a')
#define _toupper(c) ((unsigned char)(c) - 'a' + 'A')
#endif
#define _U 01
#define _L 02
#define _N 04
#define _S 010
#define _P 020
#define _C 040
#define _X 0100
#define _B 0200
extern __IMPORT char *__ctype_ptr__;
#ifndef __cplusplus
#define isalpha(c) ((__ctype_ptr__)[(unsigned)((c)+1)]&(_U|_L))
#define isupper(c) ((__ctype_ptr__)[(unsigned)((c)+1)]&_U)
#define islower(c) ((__ctype_ptr__)[(unsigned)((c)+1)]&_L)
#define isdigit(c) ((__ctype_ptr__)[(unsigned)((c)+1)]&_N)
#define isxdigit(c) ((__ctype_ptr__)[(unsigned)((c)+1)]&(_X|_N))
#define isspace(c) ((__ctype_ptr__)[(unsigned)((c)+1)]&_S)
#define ispunct(c) ((__ctype_ptr__)[(unsigned)((c)+1)]&_P)
#define isalnum(c) ((__ctype_ptr__)[(unsigned)((c)+1)]&(_U|_L|_N))
#define isprint(c) ((__ctype_ptr__)[(unsigned)((c)+1)]&(_P|_U|_L|_N|_B))
#define isgraph(c) ((__ctype_ptr__)[(unsigned)((c)+1)]&(_P|_U|_L|_N))
#define iscntrl(c) ((__ctype_ptr__)[(unsigned)((c)+1)]&_C)
#if !defined(__STRICT_ANSI__) || __STDC_VERSION__ >= 199901L
#define isblank(c) ((__ctype_ptr__)[(unsigned)((c)+1)]&_B)
#endif
/* Non-gcc versions will get the library versions, and will be
slightly slower. These macros are not NLS-aware so they are
disabled if the system supports the extended character sets. */
# if defined(__GNUC__) && !defined (_MB_EXTENDED_CHARSETS_ISO) && !defined (_MB_EXTENDED_CHARSETS_WINDOWS)
# define toupper(c) \
__extension__ ({ int __x = (c); islower(__x) ? (__x - 'a' + 'A') : __x;})
# define tolower(c) \
__extension__ ({ int __x = (c); isupper(__x) ? (__x - 'A' + 'a') : __x;})
#endif
#endif /* !__cplusplus */
#ifndef __STRICT_ANSI__
#define isascii(c) ((unsigned)(c)<=0177)
#define toascii(c) ((c)&0177)
#endif
/* For C++ backward-compatibility only. */
extern __IMPORT _CONST char _ctype_[];
_END_STD_C
#endif /* _CTYPE_H_ */