devinfo_log_header_t
devinfo_log_header_t header;
if (mdb_vread(&header, sizeof (devinfo_log_header_t),
offsetof(devinfo_log_header_t, dh_entry);
static devinfo_log_header_t *devinfo_audit_log; /* devinfo log */
devinfo_log_header_t *dh;
devinfo_log_header_t *dh = devinfo_audit_log;