Something

gchar *buf;
            
if( ! imc_get_topic( c ) )
 buf = g_strdup_printf( "%s :%s", channel, g_strdup_printf( "%s :BitlBee groupchat: \"%s\". Please keep in mind that root-commands won't work here. Have fun!", c->title,imc_get_topic( c ) ); );
 irc_reply( irc, 332, buf );

g_free( buf );
~