Memory manipulation functions in C

main.c

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

int main(int argc, char* argv[]) {
    int arr1[] = { 3, 4 };
    int arr2[] = { 1, 2 };
    
    //memcmp
    if (memcmp(arr1, arr2, 2 * sizeof(int)) == 0) {
        printf("Arrays are the same\n");
    } else {
        printf("Arrays are not the same\n");
    }
    
    // memcpy
    memcpy(arr1, arr2, 2 * sizeof(int));
    printf("%d %d\n", arr1[0], arr1[1]);
    
    // memset
    memset(arr2, 0, 2 * sizeof(int));
    printf("%d %d\n", arr2[0], arr2[1]);
    
    // memchr
    if (memchr(arr1, 1, sizeof(int) * 2) != NULL) {
        printf("Found the byte\n");
    } else {
        printf("Did not find the byte\n");
    }
    return 0;
}