Header <string.h>

Functions provided by this header:

void *memcpy(void *dest, const void *src, size_t count)

void *memset(void *b, int c, size_t len)

char *strchr(const char *str, int ch)

int strcmp(const char *lhs, const char *rhs)

int strncmp(const char *lhs, const char *rhs, size_t n)

size_t strlen(const char *str)

char *strncpy(char *dst, const char *src, size_t len)