Nobody cares about your array size

main.c

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

int f(char arr[6])
{
    return printf("%s\n", arr);
}

int main(int argc, char const *argv[])
{
    char a[6];
    char b[8];
    strcpy(a, "lolol");
    strcpy(b, "abcdefg");
    f(a);
    f(b);
    return 0;
}