Untitled

#include<stdio.h>
#include<stdlib.h>
struct student
{
	int rno;
	struct student*next;
};

int main()
{
	struct student*head,*temp,*newnode;
	int choice;
	head=NULL;

	do
	{
		printf("\nMENU");
		printf("\n 1.INSERT BEGINNING\n2.DELETE BEGINNING\n3.DISPLAY\n4.EXIT");
		printf("\nEnter your Choice");
		scanf("%d",&choice);
		switch(choice)
		{
		case 1:
		newnode=(struct student*)malloc(size of(struct student));
		printf("Enter Roll No:");
		scanf("%d",&newnode->rno);

		if(head==NULL)
		{
			head=newnode;
			newnode->