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

int main() {
    const char* c   = "testing";
    const char  d[] = "testing";

    printf("sizeof(c): %zd\n", sizeof(c));
    printf("strlen(c): %zd\n", strlen(c));
    printf("sizeof(d): %zd\n", sizeof(d));
    printf("strlen(d): %zd\n", strlen(d));
}