xdr_nfslog_buffer_header
if (!xdr_nfslog_buffer_header(&lbp->bh_lrp->xdrs, &lbp->bh)) {
(void) xdr_nfslog_buffer_header(&xdrs, &lbp->bh);
if (!xdr_nfslog_buffer_header(&xdrs, &bh)) {
(void) xdr_nfslog_buffer_header(&xdrs, &lh);
extern bool_t xdr_nfslog_buffer_header(XDR *, nfslog_buffer_header *);
extern bool_t xdr_nfslog_buffer_header(XDR *, nfslog_buffer_header *);