int Push(node **stack, float item){
if(*stack == NULL){
*stack = NewStackNode(item);
return 0;
}else{
node *temp = *stack;
*stack = NewStackNode(item);
if(*stack == NULL){
*stack = temp;
return -1;
}
(*stack)->next = temp;
temp = NULL;
return 0;
}
}
int Push(struct stackNode** topptrptr, float item)
{
struct stackNode* newptr = NewStackNode(item);
if (newptr == NULL) return -1; // Unsuccessful
newptr->next = *topptrptr;
*topptrptr = newptr;
newptr = NULL;
return 0;
}
