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Annotation of 43BSDReno/include/ctype.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1989 The Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms are permitted
                      6:  * provided that: (1) source distributions retain this entire copyright
                      7:  * notice and comment, and (2) distributions including binaries display
                      8:  * the following acknowledgement:  ``This product includes software
                      9:  * developed by the University of California, Berkeley and its contributors''
                     10:  * in the documentation or other materials provided with the distribution
                     11:  * and in all advertising materials mentioning features or use of this
                     12:  * software. Neither the name of the University nor the names of its
                     13:  * contributors may be used to endorse or promote products derived
                     14:  * from this software without specific prior written permission.
                     15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     16:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     18:  *
                     19:  *     @(#)ctype.h     5.2 (Berkeley) 6/1/90
                     20:  */
                     21: 
                     22: #define        _U      0x01
                     23: #define        _L      0x02
                     24: #define        _N      0x04
                     25: #define        _S      0x08
                     26: #define        _P      0x10
                     27: #define        _C      0x20
                     28: #define        _X      0x40
                     29: #define        _B      0x80
                     30: 
                     31: extern char    _ctype_[];
                     32: 
                     33: #define        isdigit(c)      ((_ctype_ + 1)[c] & _N)
                     34: #define        islower(c)      ((_ctype_ + 1)[c] & _L)
                     35: #define        isspace(c)      ((_ctype_ + 1)[c] & _S)
                     36: #define        ispunct(c)      ((_ctype_ + 1)[c] & _P)
                     37: #define        isupper(c)      ((_ctype_ + 1)[c] & _U)
                     38: #define        isalpha(c)      ((_ctype_ + 1)[c] & (_U|_L))
                     39: #define        isxdigit(c)     ((_ctype_ + 1)[c] & (_N|_X))
                     40: #define        isalnum(c)      ((_ctype_ + 1)[c] & (_U|_L|_N))
                     41: #define        isprint(c)      ((_ctype_ + 1)[c] & (_P|_U|_L|_N|_B))
                     42: #define        isgraph(c)      ((_ctype_ + 1)[c] & (_P|_U|_L|_N))
                     43: #define        iscntrl(c)      ((_ctype_ + 1)[c] & _C)
                     44: #define        isascii(c)      ((unsigned)(c) <= 0177)
                     45: #define        toupper(c)      ((c) - 'a' + 'A')
                     46: #define        tolower(c)      ((c) - 'A' + 'a')
                     47: #define        toascii(c)      ((c) & 0177)

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