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