#include<stdio.h>
#include<malloc.h>
typedef struct node
{
char s_name[20],s_address[50];
int s_marks;
struct node *next;
}s;
s *push(s*);
s *pop(s *);
void display(s *);
int main()
{
s *top=NULL;
int ch,x,c=0;
printf("Enter 1 for push\n");
printf("Enter 2 for pop\n");
printf("Enter 3 for display\n");
do
{
printf("Enter your choice: ");
scanf("%d",&ch);
switch(ch)
{
case 1:
top=push(top);
break;
case 2:
top=pop(top);
break;
case 3:
display(top);
break;
}
printf("do you want to continuoe press 1: ");
scanf("%d",&c);
}while(c==1);
}
s *push(s *top)
{
s *p;
p=(s *)malloc(sizeof(s));
if(p==NULL)
{
printf("no memory allocated");
}
else
{
printf("\nEnter the student name: ");
scanf("%s",&p->s_name);
printf("Enter student address: ");
scanf("%s",&p->s_address);
printf("Enter the marks of students: ");
scanf("%d",&p->s_marks);
p->next=top;
top=p;
}
return(top);
}
s *pop(s *top)
{
s *p;
if(top==NULL)
{
printf("nothing to pop");
}
else
{
printf("\nThe student name is: %s",top->s_name);
printf("\nThe student address is: %s",top->s_address);
printf("\nThe marks of the student is: %d",top->s_marks);
top=top->next;
}
return(top);
}
void display(s *top)
{
if(top==NULL)
{
printf("nothing to display");
}
else
{
while(top!=NULL)
{
printf("\nThe student name is: %s",top->s_name);
printf("\nThe student address is: %s",top->s_address);
printf("\nThe marks of the student is: %d",top->s_marks);
top=top->next;
}
}
}
