+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ /* Bad number of arguments? */
+ if (Req->argc < 1 || Req->argc > 2)
+ return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
+ Client_ID(Client), Req->command);
+
+ /* Who is the sender? */
+ if (Client_Type(Client) == CLIENT_SERVER)
+ target = Client_Search(Req->prefix);
+ else
+ target = Client;
+
+ if (!target)
+ return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG, Client_ID(Client), Req->prefix);
+
+ /* Is argument "0"? */
+ if (Req->argc == 1 && !strncmp("0", Req->argv[0], 2))
+ return part_from_all_channels(Client, target);
+
+ /* Are channel keys given? */
+ if (Req->argc > 1) {
+ key = Req->argv[1];
+ key_ptr = strchr(key, ',');
+ if (key_ptr) *key_ptr = '\0';
+ } else {
+ key = key_ptr = NULL;
+ }
+ channame = Req->argv[0];
+ channame_ptr = strchr(channame, ',');
+ if (channame_ptr) *channame_ptr = '\0';
+
+ while (channame) {
+ flags = NULL;
+
+ /* Did the server include channel-user-modes? */
+ if (Client_Type(Client) == CLIENT_SERVER) {
+ flags = strchr(channame, 0x7);
+ if (flags) {
+ *flags = '\0';
+ flags++;