smb_kdoor_chkhdr
if (!smb_kdoor_chkhdr(da, &hdr)) {
static boolean_t smb_kdoor_chkhdr(smb_doorarg_t *, smb_doorhdr_t *);
if (!smb_kdoor_chkhdr(da, &hdr)) {
static boolean_t smb_kdoor_chkhdr(smb_doorarg_t *, smb_doorhdr_t *);