1 /* SPDX-License-Identifier: BSD-2-Clause */ 2 /* 3 * Copyright (c) 2014, STMicroelectronics International N.V. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * 2. Redistributions in binary form must reproduce the above copyright notice, 13 * this list of conditions and the following disclaimer in the documentation 14 * and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 /* 30 * This file provides what C99 standard requires for <string.h> 31 * for some functions 32 */ 33 34 #ifndef STRING_H 35 #define STRING_H 36 37 #include <stddef.h> 38 #include <sys/cdefs.h> 39 40 void *memcpy(void *__restrict s1, const void *__restrict s2, size_t n); 41 void *memmove(void *s1, const void *s2, size_t n); 42 int memcmp(const void *s1, const void *s2, size_t n); 43 void *memset(void *s, int c, size_t n); 44 45 int strcmp(const char *s1, const char *s2); 46 int strncmp(const char *s1, const char *s2, size_t n); 47 size_t strlen(const char *s); 48 size_t strnlen(const char *s, size_t n); 49 char *strdup(const char *s); 50 char *strndup(const char *s, size_t n); 51 char *strchr(const char *s, int c); 52 53 void *memchr(const void *buf, int c, size_t length); 54 55 #endif /* STRING_H */ 56