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function_tracing3

Language/Type: C function basics
Author: Allison Obourn (on 2020/09/14)

What is the output of the following code?

void function_a() {
    printf("A ");
}

void function_b() {
    function_a();
    printf("B ");
}

void function_c() {
    function_b();
    printf("C ");
    function_a();
}

int main() {
    function_a();
    function_b();
    function_c();
    function_b();
    return 0;
}
Output:

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