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Scene Storm
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Scene Storm - Volume 1.iso
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northc
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northc1.lzh
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include
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ctype.h
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C/C++ Source or Header
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1990-08-30
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992b
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36 lines
/*
* CTYPE.H Character classification and conversion
*/
#ifndef CTYPE_H
#define CTYPE_H
extern unsigned char _ctype[];
#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[c]&(_CTu|_CTl|_CTd))
#define isalpha(c) (_ctype[c]&(_CTu|_CTl))
#define iscntrl(c) (_ctype[c]&_CTc)
#define isdigit(c) (_ctype[c]&_CTd)
#define isgraph(c) !(_ctype[c]&(_CTc|_CTs))
#define islower(c) (_ctype[c]&_CTl)
#define isprint(c) !(_ctype[c]&_CTc)
#define ispunct(c) (_ctype[c]&_CTp)
#define isspace(c) (_ctype[c]&_CTs)
#define isupper(c) (_ctype[c]&_CTu)
#define isxdigit(c) (_ctype[c]&_CTx)
#define toupper(c) (islower(c) ? (c)^0x20 : (c))
#define tolower(c) (isupper(c) ? (c)^0x20 : (c))
#define _toupper(c) ((c)^0x20)
#define _tolower(c) ((c)^0x20)
#endif CTYPE_H