Circular linked list Insert at End

#include<stdio.h>
#include<conio.h>
#include<stdlib.h>
typedef struct node{
    int data;
    struct node* next;
}node;
struct node* head;
void insertCircularAtEnd(int x)
{
    struct node* temp=NULL;
    temp=(node*)malloc(sizeof(struct node));
    temp->data=x;
    if(head==NULL)
    {
        head=temp;
        temp->next=head;

    }
    else
    {
        struct node* last=head;
        while(last->next!=head)
        {
        last=last->next;
        }
        struct node* temp2=NULL;
        temp2=(node*)malloc(sizeof(struct node));
        temp2->data=x;
        last->next=temp2;
        temp2->next=head;

    }
}
void print()
{
    struct node* temp=head;
    while(temp->next !=head)
    {
        printf("%d",temp->data);
        temp=temp->next;
    }
    while(temp->next ==head)
    {
        printf("%d",temp->data);
        temp=temp->next;
    }

}
void main()
{
    insertCircularAtEnd(2);
    insertCircularAtEnd(3);
    insertCircularAtEnd(4);
    insertCircularAtEnd(5);
    print();
    getch();

}