Callback example for C

callback_on_c.c

#include <stdio.h>

void functionWithCallback(void(*callback)(int, int)) {
	callback(1234, 5678);
}

void callback(int a, int b) {
	printf("a=%d, b=%d\n", a, b);
}

int main() {
	functionWithCallback(callback);
	return 0;
}

$ clang callback_on_c.c 
$ ./a.out
a=1234, b=5678
$