.\"
.\" libdivecomputer
.\"
.\" Copyright (C) 2017 Kristaps Dzonsons <kristaps@bsd.lv>
.\"
.\" This library is free software; you can redistribute it and/or
.\" modify it under the terms of the GNU Lesser General Public
.\" License as published by the Free Software Foundation; either
.\" version 2.1 of the License, or (at your option) any later version.
.\"
.\" This library is distributed in the hope that it will be useful,
.\" but WITHOUT ANY WARRANTY; without even the implied warranty of
.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
.\" Lesser General Public License for more details.
.\"
.\" You should have received a copy of the GNU Lesser General Public
.\" License along with this library; if not, write to the Free Software
.\" Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
.\" MA 02110-1301 USA
.\"
.Dd January 5, 2017
.Dt DC_BUFFER_GET_DATA 3
.Os
.Sh NAME
.Nm dc_buffer_get_data
.Nd get the data of a buffer
.Sh LIBRARY
.Lb libdivecomputer
.Sh SYNOPSIS
.In libdivecomputer/buffer.h
.Ft "unsigned char *"
.Fo dc_buffer_get_data
.Fa "dc_buffer_t *buffer"
.Fc
.Sh DESCRIPTION
Get the data used by
.Fa buffer ,
previously allocated with
.Xr dc_buffer_new 3 .
For the buffer size, use
.Xr dc_buffer_get_size 3 .
.Pp
The returned pointer is not valid after subsequent calls to change the
buffer.
.Sh RETURN VALUES
Returns the data or
.Dv NULL
if
.Fa buffer
is
.Dv NULL
or no data has been allocated to the buffer.
.Sh SEE ALSO
.Xr dc_buffer_get_size 3 ,
.Xr dc_buffer_new 3
.Sh AUTHORS
The
.Lb libdivecomputer
library was written by
.An Jef Driesen ,
.Mt jef@libdivecomputer.org .
The manpages were written by
.An Kristaps Dzonsons ,
.Mt kristaps@bsd.lv .