(7 pts) Following C code contains runtime error. a. Identify the error and explain it in comments. b. Provide a solution to fix it. # include int *pointer (void); // declare pointer() function void main() { int *ptr; // declare pointer variable ptr ptr = pointer(); // assign pointer() return value to ptr *ptr 42; // dereference ptr and change value to 42 printf("%d", *ptr); // display pointer value } = int *pointer() { int temp; return (&temp); } // return the address of the local variable