--- a/src/network.h	Thu Apr 23 12:26:53 2026 +0200
+++ b/src/network.h	Mon Apr 27 16:55:28 2026 +0200
@@ -48,9 +48,11 @@
 #define NETCODE_RESIGN 0x41
 #define NETCODE_REMIS 0x42
 #define NETCODE_TIMEOVER 0x44
+#define NETCODE_AGAIN 0x70
 #define NETCODE_CONNLOST 0x80
+#define NETCODE_ERROR 0xFF
 
-#define NETCODE_VERSION 16
+#define NETCODE_VERSION 17
 
 typedef struct {
     int fd; /* -1, if we are the client */
@@ -77,6 +79,7 @@
 void net_send_code(int socket, uint8_t code);
 void net_send_data(int socket, uint8_t code, void *data, size_t len);
 uint8_t net_recieve_code(int socket);
+uint8_t net_recieve_code_async(int socket);
 void net_recieve_data(int socket, void *data, size_t len);
 
 #ifdef	__cplusplus