Because the intent of this feature is primarily to let you define subroutines that work like built-in functions, here are prototypes for some other functions that parse almost exactly like the corresponding built-in.<P>

   1. Declared as Called as
   2.
   3. sub mylink ($$) mylink $old, $new
   4. sub myvec ($$$) myvec $var, $offset, 1
   5. sub myindex ($$;$) myindex &getstring, "substr"
   6. sub mysyswrite ($$$;$) mysyswrite $buf, 0, length($buf) - $off, $off
   7. sub myreverse (@) myreverse $a, $b, $c
   8. sub myjoin ($@) myjoin ":", $a, $b, $c
   9. sub mypop (\@) mypop @array
  10. sub mysplice (\@$$@) mysplice @array, 0, 2, @pushme
  11. sub mykeys (\%) mykeys %{$hashref}
  12. sub myopen (*;$) myopen HANDLE, $name
  13. sub mypipe (**) mypipe READHANDLE, WRITEHANDLE
  14. sub mygrep (&@) mygrep { /foo/ } $a, $b, $c
  15. sub myrand (;$) myrand 42
  16. sub mytime () mytime