Files
cdesktop/cde/programs/dtksh/ksh93/src/lib/libast/comp/memchr.c
2012-03-10 18:58:32 +00:00

118 lines
3.7 KiB
C

/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these librararies and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/* $XConsortium: memchr.c /main/3 1995/11/01 17:13:36 rswiston $ */
/***************************************************************
* *
* AT&T - PROPRIETARY *
* *
* THIS IS PROPRIETARY SOURCE CODE LICENSED BY *
* AT&T CORP. *
* *
* Copyright (c) 1995 AT&T Corp. *
* All Rights Reserved *
* *
* This software is licensed by AT&T Corp. *
* under the terms and conditions of the license in *
* http://www.research.att.com/orgs/ssr/book/reuse *
* *
* This software was created by the *
* Software Engineering Research Department *
* AT&T Bell Laboratories *
* *
* For further information contact *
* gsf@research.att.com *
* *
***************************************************************/
/* : : generated by proto : : */
#if !defined(__PROTO__)
#if defined(__STDC__) || defined(__cplusplus) || defined(_proto) || defined(c_plusplus)
#if defined(__cplusplus)
#define __MANGLE__ "C"
#else
#define __MANGLE__
#endif
#define __STDARG__
#define __PROTO__(x) x
#define __OTORP__(x)
#define __PARAM__(n,o) n
#if !defined(__STDC__) && !defined(__cplusplus)
#if !defined(c_plusplus)
#define const
#endif
#define signed
#define void int
#define volatile
#define __V_ char
#else
#define __V_ void
#endif
#else
#define __PROTO__(x) ()
#define __OTORP__(x) x
#define __PARAM__(n,o) o
#define __MANGLE__
#define __V_ char
#define const
#define signed
#define void int
#define volatile
#endif
#if defined(__cplusplus) || defined(c_plusplus)
#define __VARARG__ ...
#else
#define __VARARG__
#endif
#if defined(__STDARG__)
#define __VA_START__(p,a) va_start(p,a)
#else
#define __VA_START__(p,a) va_start(p)
#endif
#endif
#include <ast.h>
#ifdef _lib_memchr
NoN(memchr)
#else
/*
* Return the ptr in sp at which the character c appears;
* 0 if not found in n chars; don't stop at \0.
*/
__V_*
memchr __PARAM__((const __V_* asp, register int c, size_t n), (asp, c, n)) __OTORP__(const __V_* asp; register int c; size_t n;){
register const char* sp = (char*)asp;
register const char* ep = sp + n;
while (sp < ep)
if (*sp++ == c)
return(--sp);
return(0);
}
#endif