WAP to insert any from double linked list

/*WAP to insert any from double linked list*/
#include<stdio.h>
#include<conio.h>
#include<stdlib.h>
struct node
{
 int data;
 struct node *llink;
 struct node *rlink;
};
typedef struct node node;
void insert_any(node *);

void main()
{
 node *header=NULL;
 int n;
 clrscr();
    insert_any(header);
  
 getch();
}

void insert_any(node *temphead)
{
 int key;
 node *temp;
 node *temp1;
 printf("After which number you want to insert?????");
 scanf("%d",&key);
 while(temphead->rlink!=NULL && temphead->data!=key)
 {
  temphead=temphead->rlink;
 }
 if(temphead->data!=key)
 {
  printf("Value not found insertion not possible");
 }
 else
 {
  temp=(node *)malloc(sizeof(node));
  printf("Enter data:");
  scanf("%d",&temp->data);
  temp1=temphead->rlink;
  temp->llink=temphead;
  temp->rlink=temp1;
  temphead->rlink=temp;
  printf("Insert sucessfully\n");
  if(temp1!=NULL)
  {
   temphead->llink=temp;
  }
 }
}