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Revision 1.3, Fri Apr 8 08:46:12 2011 UTC (13 years ago) by jruoho
Branch: MAIN
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Branch point for: yamt-pagecache, tls-maxphys
Changes since 1.2: +2 -2 lines 

And finally, fix a typo.

.\" $NetBSD: bitops.3,v 1.3 2011/04/08 08:46:12 jruoho Exp $
.\"
.\" Copyright (c) 2011 Jukka Ruohonen <jruohonen@iki.fi>
.\" All rights reserved.
.\"
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.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
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.\"
.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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.Dd April 8, 2011
.Dt BITOPS 3
.Os
.Sh NAME
.Nm bitops
.Nd functions related to bits and integers
.Sh SYNOPSIS
.In sys/bitops.h
.Sh DESCRIPTION
The
.In sys/bitops.h
header includes some
.Em static inline
functions related bits and integers.
Among these are:
.Bl -tag -width "fast_divide32(3) " -offset indent
.It Xr ffs32 3
functions to find the first and last bit in integers of type
.Vt uint32_t
and
.Vt uint64_t
.It Xr ilog2 3
a macro for binary logarithm
.It Xr fast_divide32 3
a function for fast 32-bit division
.El
.Sh SEE ALSO
.Xr bits 3 ,
.Xr bitstring 3 ,
.Xr cdefs 3 ,
.Xr param 3
.Sh HISTORY
The
.In sys/bitops.h
header first appeared in
.Nx 4.0 .