nfslog_opaque_print_buf
nfslog_opaque_print_buf(buf, size, debug_str, &bufoffset, 200);
nfslog_opaque_print_buf(fh3->fh3_u.data, fh3->fh3_length,
nfslog_opaque_print_buf(args, sizeof (*args),
extern void nfslog_opaque_print_buf(void *, int, char *, int *, int);