include/ctype.h

   1 /*
   2  * Copyright (c) 1989, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  * (c) UNIX System Laboratories, Inc.
   5  * All or some portions of this file are derived from material licensed
   6  * to the University of California by American Telephone and Telegraph
   7  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
   8  * the permission of UNIX System Laboratories, Inc.
   9  *
  10  * This code is derived from software contributed to Berkeley by
  11  * Paul Borman at Krystal Technologies.
  12  *
  13  * Redistribution and use in source and binary forms, with or without
  14  * modification, are permitted provided that the following conditions
  15  * are met:
  16  * 1. Redistributions of source code must retain the above copyright
  17  *    notice, this list of conditions and the following disclaimer.
  18  * 2. Redistributions in binary form must reproduce the above copyright
  19  *    notice, this list of conditions and the following disclaimer in the
  20  *    documentation and/or other materials provided with the distribution.
  21  * 3. Neither the name of the University nor the names of its contributors
  22  *    may be used to endorse or promote products derived from this software
  23  *    without specific prior written permission.
  24  *
  25  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  27  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  28  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  29  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  30  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  31  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  35  * SUCH DAMAGE.
  36  *
  37  *      @(#)ctype.h     8.4 (Berkeley) 1/21/94
  38  *      $FreeBSD$
  39  */
  40
  41 #ifndef _CTYPE_H_
  42 #define _CTYPE_H_
  43
  44 #include <sys/cdefs.h>
  45 #include <sys/_types.h>
  46 #include <_ctype.h>
  47
  48 __BEGIN_DECLS
  49 int     isalnum(int);
  50 int     isalpha(int);
  51 int     iscntrl(int);
  52 int     isdigit(int);
  53 int     isgraph(int);
  54 int     islower(int);
  55 int     isprint(int);
  56 int     ispunct(int);
  57 int     isspace(int);
  58 int     isupper(int);
  59 int     isxdigit(int);
  60 int     tolower(int);
  61 int     toupper(int);
  62
  63 #if __XSI_VISIBLE
  64 int     isascii(int);
  65 int     toascii(int);
  66 #endif
  67
  68 #if __ISO_C_VISIBLE >= 1999
  69 int     isblank(int);
  70 #endif
  71
  72 #if __BSD_VISIBLE
  73 int     digittoint(int);
  74 int     ishexnumber(int);
  75 int     isideogram(int);
  76 int     isnumber(int);
  77 int     isphonogram(int);
  78 int     isrune(int);
  79 int     isspecial(int);
  80 #endif
  81
  82 #if __POSIX_VISIBLE >= 200809 || defined(_XLOCALE_H_)
  83 #include <xlocale/_ctype.h>
  84 #endif
  85 __END_DECLS
  86
  87 #ifndef __cplusplus
  88 #define isalnum(c)      __sbistype((c), _CTYPE_A|_CTYPE_D|_CTYPE_N)
  89 #define isalpha(c)      __sbistype((c), _CTYPE_A)
  90 #define iscntrl(c)      __sbistype((c), _CTYPE_C)
  91 #define isdigit(c)      __sbistype((c), _CTYPE_D)
  92 #define isgraph(c)      __sbistype((c), _CTYPE_G)
  93 #define islower(c)      __sbistype((c), _CTYPE_L)
  94 #define isprint(c)      __sbistype((c), _CTYPE_R)
  95 #define ispunct(c)      __sbistype((c), _CTYPE_P)
  96 #define isspace(c)      __sbistype((c), _CTYPE_S)
  97 #define isupper(c)      __sbistype((c), _CTYPE_U)
  98 #define isxdigit(c)     __sbistype((c), _CTYPE_X)
  99 #define tolower(c)      __sbtolower(c)
 100 #define toupper(c)      __sbtoupper(c)
 101 #endif /* !__cplusplus */
 102
 103 #if __XSI_VISIBLE
 104 /*
 105  * POSIX.1-2001 specifies _tolower() and _toupper() to be macros equivalent to
 106  * tolower() and toupper() respectively, minus extra checking to ensure that
 107  * the argument is a lower or uppercase letter respectively.  We've chosen to
 108  * implement these macros with the same error checking as tolower() and
 109  * toupper() since this doesn't violate the specification itself, only its
 110  * intent.  We purposely leave _tolower() and _toupper() undocumented to
 111  * discourage their use.
 112  *
 113  * XXX isascii() and toascii() should similarly be undocumented.
 114  */
 115 #define _tolower(c)     __sbtolower(c)
 116 #define _toupper(c)     __sbtoupper(c)
 117 #define isascii(c)      (((c) & ~0x7F) == 0)
 118 #define toascii(c)      ((c) & 0x7F)
 119 #endif
 120
 121 #if __ISO_C_VISIBLE >= 1999 && !defined(__cplusplus)
 122 #define isblank(c)      __sbistype((c), _CTYPE_B)
 123 #endif
 124
 125 #if __BSD_VISIBLE
 126 #define digittoint(c)   __sbmaskrune((c), 0xFF)
 127 #define ishexnumber(c)  __sbistype((c), _CTYPE_X)
 128 #define isideogram(c)   __sbistype((c), _CTYPE_I)
 129 #define isnumber(c)     __sbistype((c), _CTYPE_D|_CTYPE_N)
 130 #define isphonogram(c)  __sbistype((c), _CTYPE_Q)
 131 #define isrune(c)       __sbistype((c), 0xFFFFFF00L)
 132 #define isspecial(c)    __sbistype((c), _CTYPE_T)
 133 #endif
 134
 135 #endif /* !_CTYPE_H_ */