void* Newc( x, void *ptr, int size, type, cast )
+=item newCONSTSUB
+
+Creates a constant sub equivalent to Perl C<sub FOO () { 123 }>
+which is eligible for inlining at compile-time.
+
+ void newCONSTSUB(HV* stash, char* name, SV* sv)
+
=item newHV
Creates a new HV. The reference count is set to 1.