@Filipe hit the main point I wanted to cover. But there are some minor improvements that can be made.

Remove the != 0 for maximum C-ness.

if (value % 2)

If you are not taking any parameters into main(), you should declare them void.

int main(void)

@Filipe hit the main point I wanted to cover. But there are some minor improvements that can be made.

Remove the != 0 for maximum C-ness.

if (value % 2)

If you are not taking any parameters into main(), you should declare them void.

int main(void)

You don't have any return statement, yet you declare that you are returning an int. Let's return 0 at the end of our program to indicate success.

return 0;