p4raw-id: //depot/perl@17178
=item *
+C<XS::APItest>, by Tim Jenness, is a test extension that exercises XS
+APIs. Currently only C<printf()> is tested: how to output various
+basic data types from XS.
+
+=item *
+
C<XS::Typemap>, by Tim Jenness, is a test extension that exercises
XS typemaps. Nothing gets installed, but the code is worth studying
for extension writers.