1.\" $NetBSD: valloc.3,v 1.8 1999/03/22 19:44:48 garbled Exp $ 2.\" 3.\" Copyright (c) 1980, 1991, 1993 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed by the University of 17.\" California, Berkeley and its contributors. 18.\" 4. Neither the name of the University nor the names of its contributors 19.\" may be used to endorse or promote products derived from this software 20.\" without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32.\" SUCH DAMAGE. 33.\" 34.\" @(#)valloc.3 8.1 (Berkeley) 6/4/93 35.\" 36.Dd June 4, 1993 37.Dt VALLOC 3 38.Os 39.Sh NAME 40.Nm valloc 41.Nd aligned memory allocation function 42.Sh LIBRARY 43.Lb libc 44.Sh SYNOPSIS 45.Fd #include <stdlib.h> 46.Ft void * 47.Fn valloc "size_t size" 48.Sh DESCRIPTION 49.Bf -symbolic 50Valloc is obsoleted by the current version of 51.Xr malloc 3 , 52which aligns page-sized and larger allocations. 53.Ef 54.Pp 55The 56.Fn valloc 57function 58allocates 59.Fa size 60bytes aligned on a page boundary. 61It is implemented by calling 62.Xr malloc 3 63with a slightly larger request, saving the true beginning of the block 64allocated, and returning a properly aligned pointer. 65.Sh RETURN VALUES 66The 67.Fn valloc 68function returns 69a pointer to the allocated space if successful; otherwise 70a null pointer is returned 71.Sh HISTORY 72The 73.Fn valloc 74function appeared in 75.Bx 3.0 . 76.Sh BUGS 77A 78.Em vfree 79function has not been implemented. 80