WPACKET_start_sub_packet_len__
if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)
return WPACKET_start_sub_packet_len__(pkt, 0);
if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)
if (WPACKET_start_sub_packet_len__(pkt, enclen) == 0)
int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes);
WPACKET_start_sub_packet_len__((pkt), 1)
WPACKET_start_sub_packet_len__((pkt), 2)
WPACKET_start_sub_packet_len__((pkt), 3)
WPACKET_start_sub_packet_len__((pkt), 4)