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authorcvs2svn <cvs2svn@FreeBSD.org>1998-01-10 23:00:07 +0000
committercvs2svn <cvs2svn@FreeBSD.org>1998-01-10 23:00:07 +0000
commit7c6e96080c4fb49bf912942804477d202a53396c (patch)
tree876b1afcb203be407dbb2ddfc69653f78b8680c2 /lib/libc/gen/valloc.3
parent1a06f650e6ca43e02260e8d252597fbed2cea73e (diff)
downloadFreeBSD-src-7c6e96080c4fb49bf912942804477d202a53396c.zip
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This commit was manufactured by cvs2svn to create branch 'JB'.
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-.\" Copyright (c) 1980, 1991, 1993
-.\" The Regents of the University of California. All rights reserved.
-.\"
-.\" Redistribution and use in source and binary forms, with or without
-.\" modification, are permitted provided that the following conditions
-.\" are met:
-.\" 1. Redistributions of source code must retain the above copyright
-.\" notice, this list of conditions and the following disclaimer.
-.\" 2. Redistributions in binary form must reproduce the above copyright
-.\" notice, this list of conditions and the following disclaimer in the
-.\" documentation and/or other materials provided with the distribution.
-.\" 3. All advertising materials mentioning features or use of this software
-.\" must display the following acknowledgement:
-.\" This product includes software developed by the University of
-.\" California, Berkeley and its contributors.
-.\" 4. Neither the name of the University nor the names of its contributors
-.\" may be used to endorse or promote products derived from this software
-.\" without specific prior written permission.
-.\"
-.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
-.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
-.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
-.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-.\" SUCH DAMAGE.
-.\"
-.\" @(#)valloc.3 8.1 (Berkeley) 6/4/93
-.\"
-.Dd June 4, 1993
-.Dt VALLOC 3
-.Os BSD 3
-.Sh NAME
-.Nm valloc
-.Nd aligned memory allocation function
-.Sh SYNOPSIS
-.Fd #include <unistd.h>
-.Ft void *
-.Fn valloc "size_t size"
-.Sh DESCRIPTION
-.Bf -symbolic
-Valloc is obsoleted by the current version of malloc(3),
-which aligns page-sized and larger allocations.
-.Ef
-.Pp
-The
-.Fn valloc
-function
-allocates
-.Fa size
-bytes aligned on a page boundary.
-It is implemented by calling
-.Xr malloc 3
-with a slightly larger request, saving the true beginning of the block
-allocated, and returning a properly aligned pointer.
-.Sh RETURN VALUES
-The
-.Fn valloc
-function returns
-a pointer to the allocated space if successful; otherwise
-a null pointer is returned
-.Sh HISTORY
-The
-.Fn valloc
-function appeared in
-.Bx 3.0 .
-.Sh BUGS
-A
-.Em vfree
-function
-has not been implemented.
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