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

int triple(int n) {
    return n * 3;
}

int main(int argc, char* argv[]) {
    int a = 5;
    int b = triple(5);
    printf("triple(%d) == %d\n", a, b);

    int c = triple(5 + 2);  // should be 21
    printf("triple(%d + 2) == %d\n", a, c);

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

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