whats wrong in this program

#include<stdio. h>
struct node
{
int data;
struct node*next;
};
typedef struct node node;
node *start==NULL;
node* create();
void display();
node* getnode();
int main()
{
int n;
node *list
node *list1=NULL,*li st2=NULL;
printf("create list1 ");
list1=create();
...