1#include <stdio.h>2 3foo (int a, int b)4{5 int c;6 if (a<=b)7 c=b-a;8 else9 c=b+a;10 return c;11}12 13int main()14{15 int a=7, b=8, c;16 17 c = foo(a, b);18 19return 0;20}21 22
