xref: /freebsd/lib/libc/string/wcschr.c (revision ec23fdffc7fcd725bf28323c4c8ce47a20721dea)
19829d36aSTakuya SHIOZAKI /*-
2ec23fdffSTim J. Robbins  * Copyright (c) 2002 Tim J. Robbins
39829d36aSTakuya SHIOZAKI  * All rights reserved.
49829d36aSTakuya SHIOZAKI  *
59829d36aSTakuya SHIOZAKI  * Redistribution and use in source and binary forms, with or without
69829d36aSTakuya SHIOZAKI  * modification, are permitted provided that the following conditions
79829d36aSTakuya SHIOZAKI  * are met:
89829d36aSTakuya SHIOZAKI  * 1. Redistributions of source code must retain the above copyright
99829d36aSTakuya SHIOZAKI  *    notice, this list of conditions and the following disclaimer.
109829d36aSTakuya SHIOZAKI  * 2. Redistributions in binary form must reproduce the above copyright
119829d36aSTakuya SHIOZAKI  *    notice, this list of conditions and the following disclaimer in the
129829d36aSTakuya SHIOZAKI  *    documentation and/or other materials provided with the distribution.
139829d36aSTakuya SHIOZAKI  *
149829d36aSTakuya SHIOZAKI  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
159829d36aSTakuya SHIOZAKI  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
169829d36aSTakuya SHIOZAKI  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
179829d36aSTakuya SHIOZAKI  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
189829d36aSTakuya SHIOZAKI  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
199829d36aSTakuya SHIOZAKI  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
209829d36aSTakuya SHIOZAKI  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
219829d36aSTakuya SHIOZAKI  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
229829d36aSTakuya SHIOZAKI  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
239829d36aSTakuya SHIOZAKI  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
249829d36aSTakuya SHIOZAKI  * SUCH DAMAGE.
259829d36aSTakuya SHIOZAKI  */
269829d36aSTakuya SHIOZAKI 
279829d36aSTakuya SHIOZAKI #include <sys/cdefs.h>
28de5fe5d5SDavid E. O'Brien __FBSDID("$FreeBSD$");
299829d36aSTakuya SHIOZAKI 
309829d36aSTakuya SHIOZAKI #include <wchar.h>
319829d36aSTakuya SHIOZAKI 
329829d36aSTakuya SHIOZAKI wchar_t *
33ec23fdffSTim J. Robbins wcschr(const wchar_t *s, wchar_t c)
349829d36aSTakuya SHIOZAKI {
359829d36aSTakuya SHIOZAKI 
36ec23fdffSTim J. Robbins 	while (*s != c && *s != L'\0')
37ec23fdffSTim J. Robbins 		s++;
38ec23fdffSTim J. Robbins 	if (*s == c)
39ec23fdffSTim J. Robbins 		return ((wchar_t *)s);
40ec23fdffSTim J. Robbins 	return (NULL);
419829d36aSTakuya SHIOZAKI }
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