1994-05-27 05:00:24 +00:00
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.\" Copyright (c) 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)memory.3 8.1 (Berkeley) 6/4/93
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1999-08-28 00:22:10 +00:00
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.\" $FreeBSD$
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1994-05-27 05:00:24 +00:00
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.\"
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.Dd June 4, 1993
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.Dt MEMORY 3
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2001-07-10 13:41:46 +00:00
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.Os
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1994-05-27 05:00:24 +00:00
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.Sh NAME
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.Nm malloc ,
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.Nm free ,
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.Nm realloc ,
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.Nm calloc ,
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2001-02-11 19:28:36 +00:00
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.Nm alloca ,
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.Nm mmap
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1994-05-27 05:00:24 +00:00
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.Nd general memory allocation operations
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2000-04-21 09:42:15 +00:00
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.Sh LIBRARY
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.Lb libc
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1994-05-27 05:00:24 +00:00
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.Sh SYNOPSIS
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2001-09-07 14:46:36 +00:00
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.In stdlib.h
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1994-05-27 05:00:24 +00:00
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.Ft void *
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.Fn malloc "size_t size"
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.Ft void
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.Fn free "void *ptr"
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.Ft void *
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.Fn realloc "void *ptr" "size_t size"
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.Ft void *
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.Fn calloc "size_t nelem" "size_t elsize"
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.Ft void *
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.Fn alloca "size_t size"
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2001-09-07 14:46:36 +00:00
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.In sys/types.h
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.In sys/mman.h
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2001-02-11 19:28:36 +00:00
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.Ft void *
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.Fn mmap "void * addr" "size_t len" "int prot" "int flags" "int fd" "off_t offset"
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1994-05-27 05:00:24 +00:00
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.Sh DESCRIPTION
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These functions allocate and free memory for the calling process.
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They are described in the
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individual manual pages.
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.Sh SEE ALSO
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2001-02-12 08:30:22 +00:00
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.Xr mmap 2 ,
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1996-12-23 23:09:55 +00:00
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.Xr alloca 3 ,
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1994-05-27 05:00:24 +00:00
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.Xr calloc 3 ,
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.Xr free 3 ,
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.Xr malloc 3 ,
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2001-02-12 08:30:22 +00:00
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.Xr realloc 3
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1994-05-27 05:00:24 +00:00
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.Sh STANDARDS
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These functions, with the exception of
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.Fn alloca
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2001-02-11 19:28:36 +00:00
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and
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.Fn mmap
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1994-05-27 05:00:24 +00:00
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conform to
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2001-02-26 13:23:47 +00:00
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.St -isoC .
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