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