new node at the beginning of a Singly Linked List.

//Write a program in C to insert new node at the beginning of a Singly Linked List.


#include<stdio.h>
#include<stdlib.h>
typedef struct Node
{
    int x;
    struct Node *ptr;
}node;

node *head = NULL;
  node *temp = NULL;

int main()
{
    int i,n;
     printf("Input the number of nodes:",n);
    scanf("%d",&n);

    for(i=1; i<=n; i++)
    {
        node *q = (node*)malloc(sizeof (node));

         printf("\nInput data for node %d : ",i);

        scanf("%d", &q -> x);

        q -> ptr = NULL;
        if(head == NULL)
        {
            head = q;
        }
        else
        {
            q -> ptr = head;
            head = q;


    }
    }


      node *temp = head;

      printf("\nData entered in the list : \n");

      while(temp!= NULL)
        {

            printf("\nData = %d\n", temp->x);
            temp = temp->ptr;
        }
    return 0;
}