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29 lines
789 B
C
29 lines
789 B
C
/******************************************************************************
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* Copyright (c) 2004, 2008 IBM Corporation
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* All rights reserved.
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* This program and the accompanying materials
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* are made available under the terms of the BSD License
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* which accompanies this distribution, and is available at
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* http://www.opensource.org/licenses/bsd-license.php
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*
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* Contributors:
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* IBM Corporation - initial implementation
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*****************************************************************************/
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#include <stddef.h>
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void *memchr(const void *ptr, int c, size_t n);
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void *memchr(const void *ptr, int c, size_t n)
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{
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unsigned char ch = (unsigned char)c;
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const unsigned char *p = ptr;
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while (n-- > 0) {
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if (*p == ch)
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return (void *)p;
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p += 1;
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}
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return NULL;
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}
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