stdlib/FreeBSD/memory.3

   1 .\" Copyright (c) 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 .\" 4. Neither the name of the University nor the names of its contributors
  13 .\"    may be used to endorse or promote products derived from this software
  14 .\"    without specific prior written permission.
  15 .\"
  16 .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  17 .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19 .\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  20 .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21 .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22 .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23 .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24 .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26 .\" SUCH DAMAGE.
  27 .\"
  28 .\"     @(#)memory.3    8.1 (Berkeley) 6/4/93
  29 .\" $FreeBSD: src/lib/libc/stdlib/memory.3,v 1.12 2007/01/09 00:28:10 imp Exp $
  30 .\"
  31 .Dd June 4, 1993
  32 .Dt MEMORY 3
  33 .Os
  34 .Sh NAME
  35 .Nm malloc ,
  36 .Nm free ,
  37 .Nm realloc ,
  38 .Nm calloc ,
  39 .Nm alloca ,
  40 .Nm mmap
  41 .Nd general memory allocation operations
  42 .Sh LIBRARY
  43 .Lb libc
  44 .Sh SYNOPSIS
  45 .In stdlib.h
  46 .Ft void *
  47 .Fn malloc "size_t size"
  48 .Ft void
  49 .Fn free "void *ptr"
  50 .Ft void *
  51 .Fn realloc "void *ptr" "size_t size"
  52 .Ft void *
  53 .Fn calloc "size_t nelem" "size_t elsize"
  54 .Ft void *
  55 .Fn alloca "size_t size"
  56 .In sys/types.h
  57 .In sys/mman.h
  58 .Ft void *
  59 .Fn mmap "void * addr" "size_t len" "int prot" "int flags" "int fd" "off_t offset"
  60 .Sh DESCRIPTION
  61 These functions allocate and free memory for the calling process.
  62 They are described in the
  63 individual manual pages.
  64 .Sh SEE ALSO
  65 .Xr mmap 2 ,
  66 .Xr alloca 3 ,
  67 .Xr calloc 3 ,
  68 .Xr free 3 ,
  69 .Xr malloc 3 ,
  70 .Xr realloc 3
  71 .Sh STANDARDS
  72 These functions, with the exception of
  73 .Fn alloca
  74 and
  75 .Fn mmap
  76 conform to
  77 .St -isoC .