LFUN
  string replace_pgm ()

DESCRIPTION
  Try to replace this objects program by the program of a parent.

  Result: the object_name() of the parent on success, else 0.

  This functions MUST NOT be called for blueprints, from which
  multiple clones are to be created, inheritance parents, or clones
  themselves!

  Objects with more lfuns than just 'create' won't get their programs
  replaced.

EXAMPLE
  void create() {
     ...
    replace_pgm();
  }

IMPLEMENTED
  /std/base

SEE ALSO
  room(S)