Document routines get/getc

closes #3872

doc/Type/independent-routines.pod6

@@ -180,6 +180,19 @@ in effect.  Thus, after the session above, you'd get the output
 C<Goodbye, Bob> rather than C<Goodbye, Alice> as you would have without
 the REPL session.
 
+=head2 sub get
+
+    multi sub get  (IO::Handle:D $fh = $*ARGFILES) { $fh.get  }
+
+This routine is a wrapper for the L<method of the same name in C<IO::Handle>|/type/IO::Handle#routine_get>>.
+If no C<Handle> is specified, defaults to L<C<$*ARGFILES>|language/variables#$*ARGFILES>.
+
+=head2 sub getc
+
+    multi sub getc  (IO::Handle:D $fh = $*ARGFILES) { $fh.getc  }
+
+This routine is a wrapper for the L<method of the same name in C<IO::Handle>|/type/IO::Handle#routine_getc>>.
+If no C<Handle> is specified, defaults to L<C<$*ARGFILES>|language/variables#$*ARGFILES>.
 
 =head2 sub mkdir