📄 in.c
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/* Copyright (c) 1979 Regents of the University of California */static char sccsid[] = "@(#)IN.c 1.2 3/7/81";#include "h00vars.h"boolIN(element, lower, upper, setptr) long element; /* element to check */ long lower; /* lowest element of set */ long upper; /* upper - lower of set */ char setptr[]; /* pointer to set */{ register int indx; if ((indx = element - lower) < 0 || indx > upper) return FALSE; if (setptr[indx >> LG2BITSBYTE] & (1 << (indx & MSKBITSBYTE))) return TRUE; return FALSE;}
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