NOTE- DON'T BE COPY_PASTE FROM GOOGLE ; I ALREADY FIND IT BUT I CAN'T BE ABLE TO UNDERSTNAD .

2). for correct execution to run this program , what minimum changes need , in both program . please explain.

Consider the C functions foo and bar given below: int foo(int val) t int x-0; while(val> 0) f x = x + foo(val ); return val; int bar(int val) int x = 0; while (val e) x- x bar(val-1); return val; Invocations of foo(3) and bar (3) will result in A. Return of 6 and 6 respectively B. Infinite loop and abnormal termination respectively C. Abnormal termination and infinite loop respectively D. Both terminating abnormally