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