fizzbuzz_no_ifs.c

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

int n;
int fb;

void f() { fb |= 1; }
void b() { fb |= 2; }

void nop() {}
void number() { printf("%d\n", n); }
void fizz() { printf("Fizz\n"); }
void buzz() { printf("Buzz\n"); }
void fizzbuzz() { printf("FizzBuzz\n"); }

typedef void (*fn)(int);
fn fuck[] = { nop, exit };
fn shit[] = { f, nop, nop };
fn piss[] = { b, nop, nop, nop, nop };
fn cum[] = { number, fizz, buzz, fizzbuzz };

int main(void)
{
    n = 0;
loop:
    n++;
    fb = 0;
    fuck[n / 100](0);
    shit[n % 3](0);
    piss[n % 5](0);
    cum[fb](0);
    goto loop;
}