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.\" #
.\" # Copyright (c) 2014, Juniper Networks, Inc.
.\" # All rights reserved.
.\" # This SOFTWARE is licensed under the LICENSE provided in the
.\" # ../Copyright file. By downloading, installing, copying, or
.\" # using the SOFTWARE, you agree to be bound by the terms of that
.\" # LICENSE.
.\" # Phil Shafer, July 2014
.\"
.Dd December 4, 2014
.Dt LIBXO 3
.Os
.Sh NAME
.Nm xo_set_allocator
.Nd set allocation functions for libxo
.Sh LIBRARY
.Lb libxo
.Sh SYNOPSIS
.In libxo/xo.h
.Sy typedef void *(*xo_realloc_func_t)(void *, size_t);
.Pp
.Sy typedef void (*xo_free_func_t)(void *);
.Ft void
.Fn xo_set_allocator "xo_realloc_func_t realloc_func" "xo_free_func_t free_func"
.Sh DESCRIPTION
The
.Fn xo_set_allocator
function allows
.Nm libxo
to be used in environments
where the standard
.Xr realloc 3
and
.Xr free 3
functions are not available.
.Pp
.Fa realloc_func
should expect the same arguments as
.Xr realloc 3
and return
a pointer to memory following the same convention.
.Fa free_func
will receive the same argument as
.Xr free 3
and should release it, as appropriate for the environment.
.Pp
By default, the standard
.Xr realloc 3
and
.Xr free 3
functions are used.
.Sh SEE ALSO
.Xr xo_emit 3 ,
.Xr libxo 3
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