.\"   Part of publib.
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.\"   Copyright (c) 1994-2006 Lars Wirzenius.  All rights reserved.
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.\" part of publib
.\" "@(#)publib-iset:$Id: iset.3,v 1.2 1994/02/03 17:27:58 liw Exp $"
.\"
.TH ISET 3pub "C Programmer's Manual" Publib "C Programmer's Manual"
.SH NAME
iset_create, iset_destroy, iset_copy, iset_is_empty, iset_add,
iset_add_range, iset_remove, iset_remove_range, iset_clear,
iset_contains, iset_union, iset_diff, iset_isect, iset_range,
iset_nth_range \- manipulate sets of integers
.SH SYNOPSIS
.nf
#include <publib.h>
.sp 1
Iset *\fBiset_create\fR(void);
void \fBiset_destroy\fR(Iset *\fIis\fR);
Iset *\fBiset_copy\fR(const Iset *\fIis\fR);
.sp 1
int \fBiset_is_empty\fR(const Iset *\fIis\fR);
int \fBiset_add\fR(Iset *\fIis\fR, long \fInumber\fR);
int \fBiset_add_range\fR(Iset *\fIis\fR, long \fInumber1\fR, long \fInumber2\fR);
int \fBiset_remove\fR(Iset *\fIis\fR, long \fInumber\fR);
int \fBiset_remove_range\fR(Iset *\fIis\fR, long \fInumber1\fR, long \fInumber2\fR);
void \fBiset_clear\fR(Iset *\fIis\fR);
int \fBiset_contains\fR(const Iset *\fIis\fR, long \fInumber\fR);
int \fBiset_union\fR(Iset *\fIis1\fR, const Iset *\fIis2\fR);
int \fBiset_diff\fR(Iset *\fIis1\fR, const Iset *\fIis2\fR);
int \fBiset_isect\fR(Iset *\fIis1\fR, const Iset *\fIis2\fR);
void \fBiset_range\fR(const Iset *\fIis\fR, long *\fIlowest\fR, long *\fIhighest\fR);
int \fBiset_nth_range\fR(const Iset *\fIis\fR, long \fIn\fR, long *\fIlo\fR, long *\fIhi\fR);
.SH "DESCRIPTION"
These functions operate on sets of integers (of type long).  You
clever people will know how to use them without my help, which saves
me from writing a manual page.
.SH "SEE ALSO"
publib(3), bitarr(3)
.SH AUTHOR
Lars Wirzenius (lars.wirzenius@helsinki.fi)