+typedef ttt_error_t (*ttt_command_func_t) (ttt_client_t *client,
+ char **args,
+ int num_args);
+
+static ttt_error_t
+_ttt_client_execute_helo (ttt_client_t *client,
+ char **args,
+ int num_args);
+
+typedef struct _ttt_command_description {
+ const char *command;
+ int args_min;
+ int args_max;
+ ttt_command_func_t execute;
+} ttt_command_description_t;
+
+ttt_command_description_t command_descriptions[] = {
+ {"HELO", 0, 1, _ttt_client_execute_helo}
+};
+
+static ttt_error_t
+_ttt_client_execute_helo (ttt_client_t *client,
+ char **args,
+ int num_args)
+{
+ ttt_error_t error;
+ char *response;
+
+ if (num_args == 1)
+ ttt_client_set_name (client, args[0]);
+
+ error = ttt_server_register_client (client->server, client);
+ if (error)
+ return error;
+
+ xasprintf (&response, "HELO %s %s %s\n", client->name,
+ ttt_server_get_host (client->server),
+ ttt_server_get_port (client->server));
+
+ ttt_client_send (client, response);
+
+ free (response);
+
+ return TTT_ERROR_NONE;
+}
+
+#define ARRAY_SIZE(arr) (sizeof(arr)/sizeof(arr[0]))
+