XXXX adding PID information to netstat output

*** 247,251 ****
--- 247,265 ----
  int
  list_is_empty(list_t *list)
  {
          return (list_empty(list));
  }
+ 
+ uint64_t
+ list_size(list_t *list)
+ {
+         size_t sz = 0;
+         list_node_t *node;
+ 
+         node = &list->list_head;
+         while (node->list_next != &list->list_head) {
+                 sz++;
+                 node = node->list_next;
+         }
+         return (sz);
+ }