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ctype.h

00001 /*-
00002  * Copyright (c) 1982, 1988, 1991, 1993
00003  *      The Regents of the University of California.  All rights reserved.
00004  * (c) UNIX System Laboratories, Inc.
00005  * All or some portions of this file are derived from material licensed
00006  * to the University of California by American Telephone and Telegraph
00007  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
00008  * the permission of UNIX System Laboratories, Inc.
00009  *
00010  * Redistribution and use in source and binary forms, with or without
00011  * modification, are permitted provided that the following conditions
00012  * are met:
00013  * 1. Redistributions of source code must retain the above copyright
00014  *    notice, this list of conditions and the following disclaimer.
00015  * 2. Redistributions in binary form must reproduce the above copyright
00016  *    notice, this list of conditions and the following disclaimer in the
00017  *    documentation and/or other materials provided with the distribution.
00018  * 3. All advertising materials mentioning features or use of this software
00019  *    must display the following acknowledgement:
00020  *      This product includes software developed by the University of
00021  *      California, Berkeley and its contributors.
00022  * 4. Neither the name of the University nor the names of its contributors
00023  *    may be used to endorse or promote products derived from this software
00024  *    without specific prior written permission.
00025  *
00026  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
00027  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00028  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00029  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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00033  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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00035  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00036  * SUCH DAMAGE.
00037  *
00038  * $FreeBSD: src/sys/sys/ctype.h,v 1.3 2002/11/27 18:09:20 iwasaki Exp $
00039  */
00040 
00041 #ifndef _SYS_CTYPE_H_
00042 #define _SYS_CTYPE_H_
00043 
00044 #ifdef _KERNEL
00045 
00046 #define isspace(c)      ((c) == ' ' || ((c) >= '\t' && (c) <= '\r'))
00047 #define isascii(c)      (((c) & ~0x7f) == 0)
00048 #define isupper(c)      ((c) >= 'A' && (c) <= 'Z')
00049 #define islower(c)      ((c) >= 'a' && (c) <= 'z')
00050 #define isalpha(c)      (isupper(c) || islower(c))
00051 #define isdigit(c)      ((c) >= '0' && (c) <= '9')
00052 #define isxdigit(c)     (isdigit(c) \
00053                           || ((c) >= 'A' && (c) <= 'F') \
00054                           || ((c) >= 'a' && (c) <= 'f'))
00055 #define isprint(c)      ((c) >= ' ' && (c) <= '~')
00056 
00057 #define toupper(c)      ((c) - 0x20 * (((c) >= 'a') && ((c) <= 'z')))
00058 #define tolower(c)      ((c) + 0x20 * (((c) >= 'A') && ((c) <= 'Z')))
00059 
00060 #endif
00061 #endif /* !_SYS_CTYPE_H_ */