#ifndef _STRING_H #define _STRING_H #include size_t strlen(const char* string); int strcmp(const char* a, const char* b); int strncmp(const char* a, const char* b, size_t length); char* strcpy(char* destination, const char* source); char* strncpy(char* destination, const char* source, size_t length); void* memcpy(void* destination, const void* source, size_t length); void* memmove(void* destination, const void* source, size_t length); void* memset(void* destination, int value, size_t length); int memcmp(const void* a, const void* b, size_t length); #endif