Make sure start_listening_socket does everything, this will lead the way to multiple listen ports.

src/network/connection.h

@@ -27,8 +27,6 @@
 #define NET_EVENT_TIMEOUT         0x0001
 #define NET_EVENT_READ            0x0002
 #define NET_EVENT_WRITE           0x0004
-#define NET_EVENT_SOCKERROR       0x1000 /* Socket error, closed */
-#define NET_EVENT_CLOSED          0x2000 /* Socket closed */
 
 struct net_connection;
 
@@ -53,7 +51,6 @@ extern void net_con_callback(struct net_connection* con, int events);
  * Close the connection.
  * This will ensure a connection is closed properly and will generate a NET_EVENT_DESTROYED event which indicates
  * that the con can safely be deleted (or set to NULL).
- * @returns 1 if the memory pointed to by con can be freed immediately, or 0 if it needs to go through the NET_EVENT_DESTROYED event.
  */
 extern void net_con_close(struct net_connection* con);