/*
 * Copyright (c) 2012-2017 Roberto E. Vargas Caballero
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#ifndef _STRING_H
#define _STRING_H

#include <arch/string.h>

#ifndef NULL
#define NULL ((void *) 0)
#endif

extern void *memcpy(void * restrict s1, const void * restrict s2, size_t n);
extern void *memmove(void *s1, const void *s2, size_t n);
extern char *strcpy(char * restrict s1, const char * restrict s2);
extern char *strncpy(char * restrict s1, const char * restrict s2, size_t n);
extern char *strcat(char * restrict s1, const char * restrict s2);
extern char *strncat(char * restrict s1, const char * restrict s2, size_t n);
extern int memcmp(const void *s1, const void *s2, size_t n);
extern int strcmp(const char *s1, const char *s2);
extern int strcoll(const char *s1, const char *s2);
extern int strncmp(const char *s1, const char *s2, size_t n);
extern size_t strxfrm(char * restrict s1, const char * restrict s2, size_t n);
extern void *memchr(const void *s, int c, size_t n);
extern char *strchr(const char *s, int c);
extern size_t strcspn(const char *s1, const char *s2);
extern char *strpbrk(const char *s1, const char *s2);
extern char *strrchr(const char *s, int c);
extern size_t strspn(const char *s1, const char *s2);
extern char *strstr(const char *s1, const char *s2);
extern char *strtok(char * restrict s1, const char * restrict s2);
extern void *memset(void *s, int c, size_t n);
extern char *strerror(int errnum);
extern size_t strlen(const char *s);

#endif