1*043036a2SApple OSS Distributions /*
2*043036a2SApple OSS Distributions * Copyright (c) 2012 Apple Computer, Inc. All rights reserved.
3*043036a2SApple OSS Distributions *
4*043036a2SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*043036a2SApple OSS Distributions *
6*043036a2SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code
7*043036a2SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License
8*043036a2SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in
9*043036a2SApple OSS Distributions * compliance with the License. The rights granted to you under the License
10*043036a2SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of,
11*043036a2SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to
12*043036a2SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any
13*043036a2SApple OSS Distributions * terms of an Apple operating system software license agreement.
14*043036a2SApple OSS Distributions *
15*043036a2SApple OSS Distributions * Please obtain a copy of the License at
16*043036a2SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*043036a2SApple OSS Distributions *
18*043036a2SApple OSS Distributions * The Original Code and all software distributed under the License are
19*043036a2SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*043036a2SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*043036a2SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*043036a2SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*043036a2SApple OSS Distributions * Please see the License for the specific language governing rights and
24*043036a2SApple OSS Distributions * limitations under the License.
25*043036a2SApple OSS Distributions *
26*043036a2SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*043036a2SApple OSS Distributions */
28*043036a2SApple OSS Distributions
29*043036a2SApple OSS Distributions #include <sys/param.h>
30*043036a2SApple OSS Distributions #include <libkern/libkern.h>
31*043036a2SApple OSS Distributions
32*043036a2SApple OSS Distributions void *
memchr(const void * bigptr,int ch,size_t length)33*043036a2SApple OSS Distributions memchr(const void *bigptr, int ch, size_t length)
34*043036a2SApple OSS Distributions {
35*043036a2SApple OSS Distributions const char *big = (const char *)bigptr;
36*043036a2SApple OSS Distributions size_t n;
37*043036a2SApple OSS Distributions for (n = 0; n < length; n++) {
38*043036a2SApple OSS Distributions if (big[n] == ch) {
39*043036a2SApple OSS Distributions return __DECONST(void *, &big[n]);
40*043036a2SApple OSS Distributions }
41*043036a2SApple OSS Distributions }
42*043036a2SApple OSS Distributions return NULL;
43*043036a2SApple OSS Distributions }
44