+#define ERR_WARN (1 << 0)
+#define ERR_EXIT (1 << 1)
+#define ERR_HELP (1 << 2)
+#define ERR_SOUND_SERVER (1 << 3)
+#define ERR_NETWORK_SERVER (1 << 4)
+#define ERR_NETWORK_CLIENT (1 << 5)
+#define ERR_FROM_SERVER (ERR_SOUND_SERVER | ERR_NETWORK_SERVER)
+#define ERR_EXIT_HELP (ERR_EXIT | ERR_HELP)
+#define ERR_EXIT_SOUND_SERVER (ERR_EXIT | ERR_SOUND_SERVER)
+#define ERR_EXIT_NETWORK_SERVER (ERR_EXIT | ERR_NETWORK_SERVER)
+#define ERR_EXIT_NETWORK_CLIENT (ERR_EXIT | ERR_NETWORK_CLIENT)