Function stackTop

S-Stack/stackADTUsingLL.cpp:67–72

----------------This function retrieves stack top--------------------------*/

/*----------------This function retrieves stack top--------------------------*/
void* stackTop(STACK* stack){
    if(stack -> count == 0)
        return NULL;
    else
        return stack -> top -> dataPtr;
}

/*----------------This function checks whether the stack is empty-------------*/
bool emptyStack(STACK* stack){