1.\" Copyright (c) 2010 Joseph Koshy 2.\" 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.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $Id: dwarf_whatattr.3 3640 2018-10-14 14:09:13Z jkoshy $ 26.\" 27.Dd May 22, 2010 28.Dt DWARF_WHATATTR 3 29.Os 30.Sh NAME 31.Nm dwarf_whatattr 32.Nd retrieve the attribute code for a DWARF attribute 33.Sh LIBRARY 34.Lb libdwarf 35.Sh SYNOPSIS 36.In libdwarf.h 37.Ft int 38.Fo dwarf_whatattr 39.Fa "Dwarf_Attribute attr" 40.Fa "Dwarf_Half *retcode" 41.Fa "Dwarf_Error *err" 42.Fc 43.Sh DESCRIPTION 44Function 45.Fn dwarf_whatattr 46retrieves the attribute code for the DWARF attribute referenced 47by argument 48.Ar attr , 49and writes it to the location pointed to by argument 50.Ar retcode . 51If argument 52.Ar err 53is not NULL, it will be used to return an error descriptor in case 54of an error. 55.Sh RETURN VALUES 56On success, function 57.Fn dwarf_whatattr 58returns 59.Dv DW_DLV_OK . 60In case of an error, it returns 61.Dv DW_DLV_ERROR 62and sets argument 63.Ar err . 64.Sh ERRORS 65Function 66.Fn dwarf_whatattr 67can fail with the following error: 68.Bl -tag -width ".Bq Er DW_DLE_ARGUMENT" 69.It Bq Er DW_DLE_ARGUMENT 70Either of argument 71.Va attr 72or 73.Va retcode 74was NULL. 75.El 76.Sh SEE ALSO 77.Xr dwarf 3 , 78.Xr dwarf_attr 3 , 79.Xr dwarf_hasattr 3 80