Script started on Mon Oct  5 17:27:57 2026
Restored session: Wed Sep 30 18:43:35 EDT 2026
macbook:Desktop> cat q10
If the return type is omitted, the function is presumed to return a value of type float
macbook:Desktop> 
macbook:Desktop> 
macbook:Desktop> vi call_by_val.c
macbook:Desktop> gcc call_by_val.c 
macbook:Desktop> cat call_by_val.c 
#include <stdio.h>

int power(int x, int n) {
    int result = 1;
    while (n-- > 0)
        result *= x;
    return result;
}

int main() {

    int a = 4, b=5;

    printf("a and b are %d and %d before the fn call\n", a, b);
    printf("power(a,b) is %d\n", power(a,b));
    printf("a and b are %d and %d after the fn call\n", a, b);

    return 0;
}

macbook:Desktop> ./a.out
a and b are 4 and 5 before the fn call
power(a,b) is 1024
a and b are 4 and 5 after the fn call
macbook:Desktop> exit

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Script done on Mon Oct  5 18:45:09 2026