4 # Copyright (C) 2003-2005, The Perl Foundation.
5 # This program is free software. Its use is subject to the
6 # same license as Parrot.
13 sub concat :op (str dest, str s);
14 sub int index :op (str input, str pattern, int start);
15 sub int length :op (str dest);
16 sub str substr :op (str s, int i, int l);