common/string.h

/******************************************************************************
 * @file     string.h
 *
 * @brief    for TLSR chips
 *
 * @author   public@telink-semi.com;
 * @date     Sep. 30, 2010
 *
 * @attention
 *
 *  Copyright (C) 2019-2020 Telink Semiconductor (Shanghai) Co., Ltd.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *****************************************************************************/
#ifndef COMMON_STRING_H_
#define COMMON_STRING_H_



void *  memmove(void * dest, const void * src, unsigned int n);
void *  memset(void * d, int c, unsigned int  n);
void *  memcpy(void * des_ptr, const void * src_ptr, unsigned int);

// do not return void*,  otherwise, we must use a variable to store the dest porinter, that is not performance
void       memcpy4(void * dest, const void * src, unsigned int);
void *    memchr(const void *_s, int _c, unsigned int _n);
int        memcmp(const void *_s1, const void *_s2, unsigned int _n);

char *    strcat(char *_s1, const char *_s2);
char *    strchr(const char *_s, int _c);
int        strcmp(const char *_s1, const char *_s2);
int        strcoll(const char *_s1, const char *_s2);
char *    strcpy(char *_s1, const char *_s2);
unsigned int    strcspn(const char *_s1, const char *_s2);
char *    strerror(int _errcode);
unsigned int    strlen(const char *_s);
char *    strncat(char *_s1, const char *_s2, unsigned int _n);
int        strncmp(const char *_s1, const char *_s2, unsigned int _n);
char *    strncpy(char *_s1, const char *_s2, unsigned int _n);
char *    strpbrk(const char *_s1, const char *_s2);
char *    strrchr(const char *_s, int _c);
unsigned int    strspn(const char *_s1, const char *_s2);
char *    strstr(const char *_s1, const char *_s2);
char *    strtok(char *_s1, const char *_s2);
unsigned int    strxfrm(char *_s1, const char *_s2, unsigned int _n);
char *     strchr (register const char *s, int c);
void *     memchr (register const void * src_void, int c, unsigned int length);
int ismemzero4(void *data, unsigned int len);
int ismemf4(void *data, unsigned int len);
void * memset4(void * dest, int val, unsigned int len);
void zeromem4(void *data, unsigned int len);

#endif /* COMMON_STRING_H_ */