A singly linked list

typedef struct node* Nodeptr;
struct node {
int data;
Nodeptrnext;
};

......

Nodeptrmknode (int item)
{
Nodeptrnp;
np = (Nodeptr) malloc (sizeof (struct node));
if (np != NULL) {
np->data = item;
np->next = NULL;
} else exit (1);
return np;
}

1