#ifndef STRING_H
#define STRING_H

#include <stdint.h>

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

#ifndef _SIZE_T
#define _SIZE_T
typedef uint32_t size_t;
#endif

void *memchr(const void*, int, size_t);
int memcmp(const void*, const void*, size_t);
void *memcpy(void*, const void*, size_t);
void *memmove(void*, const void*, size_t);
void *memset(void*, int, size_t);

size_t strlen(const char*);
char *strcat(char*, const char*);
char *strncat(char*, const char*, size_t);
char *strchr(const char*, int);
char *strrchr(char*, int);
int strcmp(const char*, const char*);
int strncmp(const char*, const char*, size_t);
char *strcpy(char*, const char*);
char *strncpy(char*, const char*, size_t);
size_t strcspn(const char*, const char*);
size_t strspn(const char*, const char*);
char *strpbrk(const char*, const char*);
char *strstr(const char*, const char*);
char *strtok(char*, const char*);
size_t strxfrm(char*, const char*, size_t);
char *strerror(int);

#endif