関数ポインタを利用したFizzBuzz

fizzbuzz.c

#include <stdio.h>

void fizz(int num)
{
  printf("%s\n", "Fizz");
}

void buzz(int num)
{
  printf("%s\n", "Buzz");
}

void fizzbuzz(int num)
{
  printf("%s\n", "FizzBuzz");
}

void printnum(int num)
{
  printf("%d\n", num);
}

void (*fizzbuzztable[])(int) = {
  fizzbuzz,
  printnum,
  printnum,
  fizz,
  printnum,
  buzz,
  fizz,
  printnum,
  printnum,
  fizz,
  buzz,
  printnum,
  fizz,
  printnum,
  printnum,
};

int main()
{
  int i;
  for(i = 1;i <= 100; i++) {
    fizzbuzztable[i % 15](i);
  }
  return 0;
}