.\" Copyright (c) 2011 Kai Wang
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.\" $Id: dwarf_get_cie_index.3 3640 2018-10-14 14:09:13Z jkoshy $
.\"
.Dd May 22, 2011
.Dt DWARF_GET_CIE_INDEX 3
.Os
.Sh NAME
.Nm dwarf_get_cie_index
.Nd retrieve the index of a CIE descriptor
.Sh LIBRARY
.Lb libdwarf
.Sh SYNOPSIS
.In libdwarf.h
.Ft int
.Fo dwarf_get_cie_index
.Fa "Dwarf_Cie cie"
.Fa "Dwarf_Signed *cie_index"
.Fa "Dwarf_Error *err"
.Fc
.Sh DESCRIPTION
Function
.Fn dwarf_get_cie_index
retrieves the zero-based index of a given CIE descriptor in the array
of CIE descriptors returned by the functions
.Xr dwarf_get_fde_list 3
and
.Xr dwarf_get_fde_list_eh 3 .
.Pp
Argument
.Ar cie
should reference a valid DWARF CIE descriptor.
.Pp
Argument
.Ar cie_index
should point to a location that will hold the returned index.
.Sh RETURN VALUES
Function
.Fn dwarf_get_cie_index
returns
.Dv DW_DLV_OK
when it succeeds.
In case of an error, it returns
.Dv DW_DLV_ERROR
and sets the argument
.Ar err .
.Sh ERRORS
Function
.Fn dwarf_get_cie_index
can fail with:
.Bl -tag -width ".Bq Er DW_DLE_ARGUMENT"
.It Bq Er DW_DLE_ARGUMENT
Either of arugments
.Ar cie
or
.Ar cie_index
was NULL.
.El
.Sh SEE ALSO
.Xr dwarf 3 ,
.Xr dwarf_get_cie_info 3 ,
.Xr dwarf_get_cie_of_fde 3 ,
.Xr dwarf_get_fde_list 3 ,
.Xr dwarf_get_fde_list_eh 3