211 STATIC unsigned bk;		/* bits in bit buffer */  variable
508     k = bk;
586     bk = k;
604     k = bk;  in inflate_stored()
634     bk = k;  in inflate_stored()
715     k = bk;  in inflate_dynamic()
807     bk = k;  in inflate_dynamic()
866     k = bk;
880     bk = k;
906     bk = 0;  in inflate()
926     while (bk >= 8) {  in inflate()
927 	bk -= 8;  in inflate()