memchr.c 327 Bytes
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/*
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 * Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved.
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 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#include <stddef.h>
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#include <string.h>
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void *memchr(const void *src, int c, size_t len)
{
	const char *s = src;

	while (len--) {
		if (*s == c)
			return (void *) s;
		s++;
	}

	return NULL;
}