smb_system_t
offsetof(smb_system_t, smbsi_manufacturer),
offsetof(smb_system_t, smbsi_product),
offsetof(smb_system_t, smbsi_version),
offsetof(smb_system_t, smbsi_serial),
smb_system_t si;
sip->smbs_uuid = ((smb_system_t *)stp->smbst_hdr)->smbsi_uuid;
hp->smbh_len >= offsetof(smb_system_t, smbsi_wakeup)) {
smb_system_t *sp = (smb_system_t *)(uintptr_t)hp;