#include <stdio.h>
void hello(void) {
}
void byebye(void) {
}
int main(void) {
void (*work)(void) = hello;
for (int i = 0; i < 10; i++) work();
work = byebye;
for (int i = 0; i < 10; i++) work();
return 0;
}
Standard input is empty
Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Good bye, World! Good bye, World! Good bye, World! Good bye, World! Good bye, World! Good bye, World! Good bye, World! Good bye, World! Good bye, World! Good bye, World!