ctype.h (1157B)
1 #ifndef _CTYPE 2 #define _CTYPE 3 4 #define _XA 0x200 5 #define _XS 0x100 6 #define _BB 0x80 7 #define _CN 0x40 8 #define _DI 0x20 9 #define _LO 0x10 10 #define _PU 0x08 11 #define _SP 0x04 12 #define _UP 0x02 13 #define _XD 0x01 14 15 extern const short *_Ctype; 16 extern const short *_Tolower; 17 extern const short *_Toupper; 18 19 int isalnum(int), isalpha(int), iscntrl(int), isdigit(int); 20 int isgraph(int), islower(int), isprint(int), ispunct(int); 21 int isspace(int), isupper(int), isxdigit(int); 22 int tolower(int), toupper(int); 23 24 #define isalnum(c) (_Ctype[(int) (c)] & (_DI|_LO|_UP|_XA)) 25 #define isalpha(c) (_Ctype[(int) (c)] & (_LO|_UP|_XA)) 26 #define iscntrl(c) (_Ctype[(int) (c)] & (_BB|_CN)) 27 #define isdigit(c) (_Ctype[(int) (c)] & _DI) 28 #define isgraph(c) (_Ctype[(int) (c)] & (_DI|_LO|_PU|_UP|_XA)) 29 #define islower(c) (_Ctype[(int) (c)] & _LO) 30 #define isprint(c) \ 31 (_Ctype[(int) (c)] & (_DI|_LO|_PU|_SP|_UP|_XA)) 32 #define ispunct(c) (_Ctype[(int) (c)] & _PU) 33 #define isspace(c) (_Ctype[(int) (c)] & (_CN|_SP|_XS)) 34 #define isupper(c) (_Ctype[(int) (c)] & _UP) 35 #define isxdigit(c) (_Ctype[(int) (c)] & _XD) 36 #define tolower(c) _Tolower[(int) (c)] 37 #define toupper(c) _Toupper[(int) (c)] 38 #endif