Refs

来自MudWiki

NAME

   refs - return the number of references to a data structure

SYNOPSIS

   int refs( mixed data );

DESCRIPTION

   The number of references to 'data' will be returned by refs().  This is useful for deciding whether or not to make a copy of a data structure before returning it.

SEE ALSO

   children(3), inherit_list(3), deep_inherit_list(3), objects(3)