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

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.\"     @(#)memory.3	8.1 (Berkeley) 6/4/93
.\" $FreeBSD$
.\"
.Dd June 4, 1993
.Dt MEMORY 3
.Os
.Sh NAME
.Nm malloc ,
.Nm free ,
.Nm realloc ,
.Nm calloc ,
.Nm alloca ,
.Nm mmap
.Nd general memory allocation operations
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.Fd #include <stdlib.h>
.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"
.Fd #include <sys/types.h>
.Fd #include <sys/mman.h>
.Ft void *
.Fn mmap "void * addr" "size_t len" "int prot" "int flags" "int fd" "off_t offset"
.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 ,
.Xr alloca 3 ,
.Xr calloc 3 ,
.Xr free 3 ,
.Xr malloc 3 ,
.Xr realloc 3
.Sh STANDARDS
These functions, with the exception of
.Fn alloca
and
.Fn mmap
conform to
.St -isoC .