void say(string str)
  or 
void say(string str, object | object * obj)

Send a message "str" to all players in the same object (room).
This function is also used by the "say" command.

If second argument "obj" specified, messages is sent to all except "obj".
This second argument can also be an array of objects.

See also: efun/write, efun/shout, efun/tell_object, efun/tell_room, helpdir/say