مشاكل في برنامج لم استطع حلها !!!! أرجوا المساعدة

هلا أخوي بتاه كله حياك الله بيننا :

وش المشكلة بالظبط ...

وبعدين هذا هو الكود نفس كودك بس عدلته عشان أسهل للقرايه ;)

 
#include 
#include 
#include 
#include 


typedef struct list{ 
char a[10]; 
struct list *next; }*NODE; 


void reverse(NODE ); 
void insert(NODE ); 
void printing(NODE ); 


main() 
{ 
	char select; 
	int x=1; 
	NODE n=NULL; 

	do { 
			printf("nnInsert the Codes:"); 
			insert(n); 

			printf ("Do you want to reverse the list? (Y/N)n"); 
			scanf ("%c",&select); 
			scanf ("%c",&select); 

			if (select=='y' || select=='Y') 
			{
				reverse(n); 
				printing(n);
			} 

			else printing(n); 

			printf ("do you want to continue ? (Y/N)n"); 
			scanf ("%c",&select); 
			scanf ("%c",&select); 

			if (select=='N' || select=='n') 
				x=-1; 

		}while (x!=-1) ; 

		return 0;
} 


void insert(NODE n) 
{ 
		NODE x,y; 
		y =(NODE)malloc(sizeof(struct list)); 
		printf("nEnter 3-letter airport code: "); 
		scanf("%s",y->a); 
		y->next=NULL; 

		if (n==NULL) 
			n=y; 
		else 
		{ 
			for (x=n;x->next!=NULL;x=x->next); 
			x->next=y; 
		} 
} 

void reverse(NODE n) 
{ 
	NODE t,v=NULL; 
	int i,j,count=0; 
	count++; 
		for (i=1;i<=count/2;i++) 
		{ 
			for (j=i,t=n;j<=count;j++,t=t->next); 
				strcpy(v->a,n->a); 
				strcpy(n->a,t->a); 
				strcpy(t->a,v->a); 
				n=n->next; 
		} 

} 

void printing(NODE n) 
{ 
	printf("mosab1"); 
	printf("n"); 
		while (n) 
		{
			printf("mosab2"); 
			if (strcmp(n->a,"ARN")==0) 
				printf("Stockholm, Swedenn"); 
			else if (strcmp(n->a,"BRU")==0) 
				printf("Brussels, Belgiumn"); 
			else if (strcmp(n->a,"DUS")==0) 
				printf("Dusselford, Germanyn"); 
			else if (strcmp(n->a,"GCM")==0) 
				printf("Cayman, Cayman Islandsn"); 
			else if (strcmp(n->a,"GLA")==0) 
				printf("Glasgow, Scotlandn"); 
			else if (strcmp(n->a,"HKG")==0) 
				printf("HongKong"); 
			else if (strcmp(n->a,"JFK")==0) 
				printf("Kennedy airport, Newyorkn"); 
			else if (strcmp(n->a,"MEX")==0) 
				printf("Mexico city, Mexicon"); 
			else if (strcmp(n->a,"MIA")==0) 
				printf("Miami, Floridan"); 
			else if (strcmp(n->a,"NRT")==0) 
				printf("Narita Airport, Japann"); 
			else if (strcmp(n->a,"ORD")==0) 
				printf("O'hare Airport, Chicagon"); 
			else if (strcmp(n->a,"ORY")==0) 
				printf("Orlyfield, Francen"); 
			else if (strcmp(n->a,"SAN")==0) 
				printf("SanDiego, Californian"); 
			else if (strcmp(n->a,"YYZ")==0) 
				printf("Toronto, Canadan"); 
			else if (strcmp(n->a,"ZRH")==0) 
				printf("Zurich, Switzerlandn"); 

			n=n->next; 
		}
}

مع تحياتي ,,,