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Atari Mega Archive 1
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Atari Mega Archive - Volume 1.iso
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mint
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mint104s.zoo
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mint.src
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ctype.h
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C/C++ Source or Header
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1993-03-08
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42 lines
/*
* ctype.h Character classification and conversion
*/
#ifndef _CTYPE_H
#define _CTYPE_H
extern unsigned char _ctype[]; /* in lib.c */
#define _CTc 0x01 /* control character */
#define _CTd 0x02 /* numeric digit */
#define _CTu 0x04 /* upper case */
#define _CTl 0x08 /* lower case */
#define _CTs 0x10 /* whitespace */
#define _CTp 0x20 /* punctuation */
#define _CTx 0x40 /* hexadecimal */
#define isalnum(c) (_ctype[(unsigned char)(c)]&(_CTu|_CTl|_CTd))
#define isalpha(c) (_ctype[(unsigned char)(c)]&(_CTu|_CTl))
#define isascii(c) !((c)&~0x7F)
#define iscntrl(c) (_ctype[(unsigned char)(c)]&_CTc)
#define isdigit(c) (_ctype[(unsigned char)(c)]&_CTd)
#define isgraph(c) (!(_ctype[(unsigned char)(c)]&(_CTc|_CTs)) && (_ctype[(unsigned char)(c)]))
#define islower(c) (_ctype[(unsigned char)(c)]&_CTl)
#define isprint(c) (!(_ctype[(unsigned char)(c)]&_CTc) && (_ctype[(unsigned char)(c)]))
#define ispunct(c) (_ctype[(unsigned char)(c)]&_CTp)
#define isspace(c) (_ctype[(unsigned char)(c)]&_CTs)
#define isupper(c) (_ctype[(unsigned char)(c)]&_CTu)
#define isxdigit(c) (_ctype[(unsigned char)(c)]&_CTx)
#define iswhite(c) isspace(c)
#define _toupper(c) ((c)^0x20)
#define _tolower(c) ((c)^0x20)
#define toascii(c) ((c)&0x7F)
#define toint(c) ( (c) <= '9' ? (c) - '0' : toupper(c) - 'A' )
#define isodigit(c) ( (c)>='0' && (c)<='7' )
#define iscymf(c) (isalpha(c) || ((c) == '_') )
#define iscym(c) (isalnum(c) || ((c) == '_') )
#endif /* _CTYPE_H */