sys/sys/ctype.h

   1 /*-
   2  * Copyright (c) 1982, 1988, 1991, 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  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. Neither the name of the University nor the names of its contributors
  19  *    may be used to endorse or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  *
  34  * $FreeBSD: src/sys/sys/ctype.h,v 1.2.2.1 2003/05/07 15:25:26 jhb Exp $
  35  * $DragonFly: src/sys/sys/ctype.h,v 1.2 2003/06/17 04:28:58 dillon Exp $
  36  */
  37
  38 #ifndef _SYS_CTYPE_H_
  39 #define _SYS_CTYPE_H_
  40
  41 #ifdef _KERNEL
  42
  43 #define isspace(c)      ((c) == ' ' || ((c) >= '\t' && (c) <= '\r'))
  44 #define isascii(c)      (((c) & ~0x7f) == 0)
  45 #define isupper(c)      ((c) >= 'A' && (c) <= 'Z')
  46 #define islower(c)      ((c) >= 'a' && (c) <= 'z')
  47 #define isalpha(c)      (isupper(c) || islower(c))
  48 #define isdigit(c)      ((c) >= '0' && (c) <= '9')
  49 #define isxdigit(c)     (isdigit(c) \
  50                           || ((c) >= 'A' && (c) <= 'F') \
  51                           || ((c) >= 'a' && (c) <= 'f'))
  52 #define isprint(c)      ((c) >= ' ' && (c) <= '~')
  53
  54 #define toupper(c)      ((c) - 0x20 * (((c) >= 'a') && ((c) <= 'z')))
  55 #define tolower(c)      ((c) + 0x20 * (((c) >= 'A') && ((c) <= 'Z')))
  56
  57 #endif
  58 #endif /* !_SYS_CTYPE_H_ */