New to C and Have a problem

#include <stdio.h>
#include "stdlib.h"
typedef struct node {
	char letter ;
	struct node *Next;
}	NODE_TYPE;

//prototypes
NODE_TYPE * getNode(void) ;

int main(int argc, char **argv)
{
	printf("  ") ;
	return 0;
}
/*
 * Allocates memory for a new node and return a pointer 
 *to the Memory
 */
NODE_TYPE *getNode(void) {
			NODE_TYPE *pt ;

    pt = (NODE_TYPE *) malloc(sizeof(NODE_TYPE) ) ;
    if (pt == (NODE_TYPE *) NULL )
    {
	printf("Failed to allocate memory\n") ;
	exit(1) ;
    } 
    return pt ;
}//getnode

/* Boolean Function to determine if list is empty */
int emptyList(NODE_TYPE *p2n)
{
	return (p2n==NULL);
}

/*
 * This function addes a new node with info to the head
 * of the list and returns the head
 */
 NODE_TYPE *addTolist(NODE_TYPE *head, char letter) {
	 if (emptyList(head)==1) {
		head = getNode() ;
		head->Next = NULL ;
	 } else {
	 	NODE_TYPE *temp ;
	 	temp = getnode(); //<-error comes up here
	 	temp->Next = head ;
	 	head = temp;
	 }
	 return head ;
 }

temp = getnode();