--- /dev/null
+\ REQUIRE and REQUIRED
+\
+\ This code is part of pForth.
+\
+\ The pForth software code is dedicated to the public domain,
+\ and any third party may reproduce, distribute and modify
+\ the pForth software code or any derivative works thereof
+\ without any compensation or license. The pForth software
+\ code is provided on an "as is" basis without any warranty
+\ of any kind, including, without limitation, the implied
+\ warranties of merchantability and fitness for a particular
+\ purpose and their equivalents under the laws of any jurisdiction.
+
+private{
+
+\ Has the file with name C-ADDR/U already been included?
+\
+\ This searches the "::::<filename>" marker created by INCLUDED. This
+\ works for now, but may break if pForth ever receives wordlists.
+: INCLUDED? ( c-addr u -- flag )
+ s" ::::" here place ( c-addr u )
+ here $append ( )
+ here latest findnfa.from ( x found? )
+ nip
+;
+
+\ FIXME: use real PARSE-NAME when available
+: (PARSE-NAME) ( "word" -- c-addr u ) bl parse-word ;
+
+}private
+
+: REQUIRED ( i*x c-addr u -- j*x ) 2dup included? IF 2drop ELSE included THEN ;
+: REQUIRE ( i*x "name" -- i*x ) (parse-name) required ;
+
+privatize