pos = lseek ((int) rstrm->tcp_handle, (long) 0, 1);
pos = __lseek ((int) rstrm->tcp_handle, (long) 0, 1);
xdrrec_getpos (const XDR *xdrs){  RECSTREAM *rstrm = (RECSTREAM *) xdrs->x_private;  long pos;  pos = lseek ((int) rstrm->tcp_handle, (long) 0, 1);  if (pos != -1)    switch (xdrs->x_op)      {      case XDR_ENCODE:	pos += rstrm->out_finger - rstrm->out_base;	break;      case XDR_DECODE:	pos -= rstrm->in_boundry - rstrm->in_finger;	break;      default:	pos = (u_int) - 1;	break;      }  return (u_int) pos;}