Arandığında çalışan bir source file bulmak zor, bunu gcc compiler ile
derlediğinizde olumlu sonuc veriyor. Kaynak...
--
Uğur ARPACI
#include<stdio.h>
struct node
{
int data;
struct node *link;
};
void push(struct node **, int);
int pop(struct node **);
int del_stack(struct node **);
int pop_all(struct node **);
int main (void)
{
struct node *s =NULL; // Initialize the struct
int i,user;
do
{ printf("enter a number for stack:\n");
scanf("%d",&user);
push(&s,user);
if (user == -1) break;
}
while (user);
while (s !=NULL)
{
i=pop(&s);
printf("item popped: %d \n",i);
}
// i=pop(&s);
// printf("item popped: %d \n",i);
// i=pop(&s);
// printf("item popped: %d \n",i);
// i=pop(&s);
// printf("item popped: %d \n",i);
//del_stack(&s);
return(0);
}
void push (struct node **top, int item)
{
struct node *temp;
temp=(struct node *) malloc(sizeof(struct node));
if (temp==NULL) // this checks if the memory full
printf("\n Stack is full.");
temp -> data=item;
temp -> link=*top;
*top=temp;
}
int pop (struct node **top)
{
struct node *temp;
int item;
if(*top == NULL)
{
printf("\n stack is empty.");
return(0);
}
temp=*top;
item=temp->data;
*top=(*top) -> link;
free(temp);
return item;
}
int del_stack(struct node **top) {
struct node *temp;
if(*top == NULL)
return (0);
while (*top != NULL)
{
temp=*top;
*top=(*top)->link;
free(temp);
}
}
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