- $var = ptrfromsv($arg, \"${my $ntt = $ntype; $ntt =~ s/^(.*)Ptr$/Catacomb::$1/; $ntt =~ s/_/::/g; \$ntt}\", \"$var\");
+ $var = ptrfromsv($arg, \"${my $ntt = $ntype; $ntt =~ s/^(.*)Ptr$/Catacomb::$1/; $ntt =~ s/_/::/g; \$ntt}\", \"$var\")
+T_CATSTRUCTUNDEF
+ $var = SvOK($arg) ? ptrfromsv($arg, \"${my $ntt = $ntype; $ntt =~ s/^(.*)Ptr$/Catacomb::$1/; $ntt =~ s/_/::/g; \$ntt}\", \"$var\") : 0
+T_FIELDELT
+ $var = fieldelt($arg, \"$var\")
+T_GROUPELT
+ $var = groupelt($arg, \"$var\")
+T_ECPT
+ $var = ecpt($arg, \"$var\")