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PDP-10 Archives
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SRI_NIC_PERM_FS_1_19910112
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c/old/nmit/ctype.h
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/*==================================================
* ctype.h
* #include file for character typing for the V7 C library
*
* Copyright (C) New Mexico Tech 1984, 1985. All rights reserved.
*
* Author: Greg Titus
*/
/*
* Has this file already been #included? Matching #endif is at bottom of file
*/
#ifndef CTYPE_INCLUDED
#define CTYPE_INCLUDED
#define _UC_ 0001
#define _LC_ 0002
#define _NUM_ 0004
#define _WS_ 0010
#define _PUN_ 0020
#define _CTRL_ 0040
#define _OCT_ 0100
#define _HEX_ 0200
#define _SPACE_ 0400
extern int _ctype_[];
#define isalpha(c) ((_ctype_+1)[c]&(_UC_|_LC_))
#define isupper(c) ((_ctype_+1)[c]&_UC_)
#define islower(c) ((_ctype_+1)[c]&_LC_)
#define isdigit(c) ((_ctype_+1)[c]&_NUM_)
#define isxdigit(c) ((_ctype_+1)[c]&(_NUM_|_HEX_))
#define isodigit(c) ((_ctype_+1)[c]&_OCT_)
#define isspace(c) ((_ctype_+1)[c]&_WS_)
#define ispunct(c) ((_ctype_+1)[c]&_PUN_)
#define isalnum(c) ((_ctype_+1)[c]&(_UC_|_LC_|_NUM_))
#define isprint(c) ((_ctype_+1)[c]&(_SPACE_|_PUN_|_UC_|_LC_|_NUM_))
#define iscntrl(c) ((_ctype_+1)[c]&_CTRL_)
#define isascii(c) ((unsigned)(c)<=0177)
#define toupper(c) ((c)-'a'+'A')
#define tolower(c) ((c)-'A'+'a')
#define toascii(c) ((c)&0177)
#endif /* CTYPE_INCLUDED */