#
# Map C types to Perl types
#
struct in_addr * T_PTROBJ
#
# Input conversions
#
INPUT
T_PTROBJ
if (sv_derived_from($arg, \"${ntype}\")) {
IV tmp = SvIV((SV*)SvRV($arg));
$var = ($type) tmp;
}
else
croak(\"$var is not of type ${ntype}\")
#
# Output conversions
#
OUTPUT
T_PTROBJ
sv_setref_pv($arg, \"${ntype}\", (void*)$var);