3. (10 pts.) Describe the output of the following code. If there is an implementation problem in the code explain the problem and how to overcome it. #include char *foo (char *); main) char *a NULL; char *b NULL; a = foo ("Hello") ; b foo ("World"); printf ("From main: %s %s ", a, b); char *foo (char *p) t char q[strlen (p) +1]; strcpy(q, p); printf("From g: the string is %s ", g); return qi