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Macademic for Students & Teachers
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Macademic for Students and Teachers (Quantum Leap)(1992).iso
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Fun & Games
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Wave 15
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ctype.h
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1985-10-17
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974b
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33 lines
/* HEADER FOR CHARACTER TYPES
* Copyright (c) 1983 by Whitesmiths, Ltd.
*/
#ifndef CTYPEDEF
#define _UC 001
#define _LC 002
#define _D 004
#define _S 010
#define _P 020
#define _C 040
#define _X 0100
extern unsigned char _Ctype[];/* patch - bug was GLOBAL TEXT but needed std.h */
#define _toupper(c) ((c) + 'A' - 'a'))
#define _tolower(c) ((c) + 'a' - 'A'))
#define isalnum(c) ((_Ctype+1)[c] & (_D | _UC | _LC))
#define isalpha(c) ((_Ctype+1)[c] & (_UC | _LC))
#define isascii(c) ((unsigned)(c) <= 0177)
#define iscntrl(c) ((_Ctype+1)[c] & _C)
#define isdigit(c) ((_Ctype+1)[c] & _D)
#define islower(c) ((_Ctype+1)[c] & _LC)
#define isprint(c) ((_Ctype+1)[c] & (_P | _D | _UC | _LC))
#define isgraph(c) (isprint(c) && (c) != ' ')
#define ispunct(c) ((_Ctype+1)[c] & _P)
#define isspace(c) ((_Ctype+1)[c] & _S)
#define isupper(c) ((_Ctype+1)[c] & _UC)
#define isxdigit(c) ((_Ctype+1)[c] & (_D | _X))
#define toascii(c) ((c) & 0177)
#define CTYPEDEF
#endif