fizzbuzz

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

static const char *vals[] = {
    NULL,   NULL,   "Fizz",
    NULL,   "Buzz", "Fizz",
    NULL,   NULL,   "Fizz",
    "Buzz", NULL,   "Fizz",
    NULL,   NULL,   "FizzBuzz"
};

static void fizzbuzz(int n)
{
    for (int i = 0; i < n; i++)
        if (vals[i % 15])
            puts(vals[i % 15]);
        else
            printf("%d\n", i + 1);
}

int main(int argc, char *argv[])
{
    if (argc < 2)
        return 1;

    fizzbuzz(atoi(argv[1]));

    return 0;
}