File::Rdiff::Stats			T_PTROBJ
File::Rdiff::Signature			SIG
File::Rdiff::Buffers			T_PTROBJ
File::Rdiff::Job			T_PTROBJ

INPUT

SIG
	$var = old_sig ($arg)

OUTPUT

SIG
	sv_setref_pv ($arg, \"${ntype}\", (void *)$var);