/* Copyright (c) 1979 Regents of the University of California */
static char sccsid
[] = "@(#)IN.c 1.1 %G%";
IN(element
, lower
, upper
, setptr
)
int element
; /* element to check */
int lower
; /* lowest element of set */
int upper
; /* upper - lower of set */
char setptr
[]; /* pointer to set */
if ((indx
= element
- lower
) < 0 || indx
> upper
)
if (setptr
[indx
/ BITSPERBYTE
] & (1 << (indx
% BITSPERBYTE
)))