getuid() - return the user id (uid) of an object
string getuid( object ob );
Returns the user id of an object. The uid of an object is determined
at object creation by the creator_file() function.
seteuid(3), geteuid(3), export_uid(3), this_object(3), previā
ous_object(3), creator_file(4), valid_seteuid(4)