package orig::functions;
BEGIN {
  use Exporter ();
  use vars qw(@ISA @EXPORT_OK);
  @ISA         = qw(Exporter);
  @EXPORT_OK   = qw(func1 func2 func3);
}

sub func1 {
  print "hello";
}
sub func2 {
  print "kind";
}
sub func3 {
  print "world";
}