+typedef int ttt_bool_t;
+
+#define FALSE 0
+#define TRUE 1
+
+#define TTT_SERVER_PROTOCOL_VERSION 1
+
+typedef enum {
+ TTT_STATUS_SUCCESS = 0,
+ TTT_STATUS_FAILURE,
+ TTT_STATUS_EOF,
+ TTT_STATUS_CONNECTION_REFUSED,
+ TTT_STATUS_NETWORK_UNREACHABLE
+} ttt_status_t;
+
+typedef struct _ttt_server ttt_server_t;
+typedef struct _ttt_invite ttt_invite_t;
+typedef struct _ttt_client ttt_client_t;
+