xor two strings in c

xor.c

#include <stdio.h>
#include <memory.h>
#include <stdlib.h>

#define LENGTH 5

void xor(char const value1[LENGTH], char const value2[LENGTH], char *xored[LENGTH]) {
  for(int i=0; i<LENGTH; ++i) {
    xored[i] = (char)(value1[i] ^ value2[i]);
  }
}