freebsd-dev/lib/libc/stdlib/memory.3

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.\" Copyright (c) 1991, 1993
.\" The Regents of the University of California. All rights reserved.
.\"
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.\" 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.
.\" 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.
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" @(#)memory.3 8.1 (Berkeley) 6/4/93
1999-08-28 00:22:10 +00:00
.\" $FreeBSD$
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.\"
.Dd June 4, 1993
.Dt MEMORY 3
.Os
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.Sh NAME
.Nm malloc ,
.Nm free ,
.Nm realloc ,
.Nm calloc ,
.Nm alloca ,
.Nm mmap
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.Nd general memory allocation operations
.Sh LIBRARY
.Lb libc
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.Sh SYNOPSIS
.In stdlib.h
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.Ft void *
.Fn malloc "size_t size"
.Ft void
.Fn free "void *ptr"
.Ft void *
.Fn realloc "void *ptr" "size_t size"
.Ft void *
.Fn calloc "size_t nelem" "size_t elsize"
.Ft void *
.Fn alloca "size_t size"
.In sys/types.h
.In sys/mman.h
.Ft void *
.Fn mmap "void * addr" "size_t len" "int prot" "int flags" "int fd" "off_t offset"
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.Sh DESCRIPTION
These functions allocate and free memory for the calling process.
They are described in the
individual manual pages.
.Sh SEE ALSO
.Xr mmap 2 ,
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.Xr alloca 3 ,
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.Xr calloc 3 ,
.Xr free 3 ,
.Xr malloc 3 ,
.Xr realloc 3
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.Sh STANDARDS
These functions, with the exception of
.Fn alloca
and
.Fn mmap
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conform to
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.St -isoC .