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#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>

void print_five_fives() {
    printf("55555\n");
}

void call_fn( void (*fn_to_call)() ) {
    fn_to_call();
}

int main(int argc, char* argv[]) {
    print_five_fives();

    call_fn( print_five_fives );

    return EXIT_SUCCESS;
}
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */

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