printf("duration/id: 0x%x\n",w_hdr->duration_id);
printf("version check ... %s\n",
((w_hdr->frame_ctl & IEEE802_11_FCTL_VERS)==0x00)?
printf("duration/id: 0x%x\n",w_hdr->duration_id);
printf("version check ... %s\n",
((w_hdr->frame_ctl & IEEE802_11_FCTL_VERS)==0x00)?