smb_bios_t
const smb_bios_t *bip;
if (stp->smbst_hdr->smbh_len < sizeof (smb_bios_t) - sizeof (uint8_t))
bip = (smb_bios_t *)(uintptr_t)stp->smbst_hdr;
if (stp->smbst_hdr->smbh_len >= sizeof (smb_bios_t)) {
sizeof (smb_bios_t) + 1;