#include "src.h"
#include <ctype.h>
#include <stdlib.h>
#include <string.h>

void c9(){
    size_t lname_len = strlen(LAST_NAME);
    char *lower_last = malloc(lname_len);

    // Slightly faster way to memcpy for this purpose, might as well also copy
    // in the lowercased variant of the source
    const char *lname = LAST_NAME;
    char *d = lower_last;
    while (lname_len--)
        *d++ = tolower(*lname++);

    solve(9, "Converts string to lowercase",
          fmtstr("Original String: %s\nLowercased String: %s", LAST_NAME,
                 lower_last));
}

int main() {
    print_header();
    c9();
    return 0;
}