Functions

When you want to avoid typing the same thing over and over!

#include <stdio.h>

// Prototype
void express_love_for_c(void);

int main(void) {
    express_love_for_c();
    return 0;
}

// Definition
void express_love_for_c(void) {
    printf("I love C because it's fun! :D :D :D\n");
}

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