Linked list problem to insert a node

/*
  Insert Node at the end of a linked list 
  head pointer input could be NULL as well for empty list
  Node is defined as 
  struct Node
  {
     int data;
     struct Node *next;
  }
*/
Node* Insert(Node *head,int data)
{
  // Complete this method
    Node *temp;
    temp=head;
    if(temp=='\0'){
        temp=(struct Node *)malloc(sizeof(struct Node));
        temp->data=data;
        head=temp;
        head->next='\0';
    }
        
     else {
            while (temp!='\0'){
                temp=temp->next;
            }
        temp->data=data;
        temp->next='\0';
    }
    
    return head;
}