remove functions deprecated in version 6 * runtests.m: Delete. * scripts/deprecated/module.mk: Update. * error.h, error.cc (error_state, reset_error_handler): Delete. * errwarn.h (warn_divide_by_zero): Delete. * file-io.cc (mark_for_deletion, cleanup_tmp_files): Delete from global namespace. * interpreter.cc, toplev.cc: Don't include file-io.h. * graphics-toolkit.h (graphics_toolkit, base_graphics_toolkit): Delete from global namespace. * input.h, input.cc (Vtrack_line_num): Delete. * interpreter.h, interpreter.cc (interpreter::add_atexit_function, interpreter::remove_atexit_function, interpreter::add_atexit_function_deprecated, interpreter::remove_atexit_function_deprecated): Delete. * symtab.h, symtab.cc (symbol_table::at_top_level_deprecated, symbol_table::varval_deprecated, symbol_table::global_varval_deprecated, symbol_table::top_level_varval_deprecated, symbol_table::global_variable_names_deprecated, symbol_table::top_level_variable_names_deprecated, symbol_table::variable_names_deprecated, symbol_table::assign_deprecated, symbol_table::clear_all_deprecated, symbol_table::clear_global_deprecated, symbol_table::clear_global_pattern_deprecated, symbol_table::clear_symbol_deprecated, symbol_table::clear_symbol_pattern_deprecated, symbol_table::global_assign_deprecated, symbol_table::top_level_assign_deprecated, symbol_table::at_top_level, symbol_table::varval, symbol_table::global_varval, symbol_table::top_level_varval, symbol_table::global_variable_names, symbol_table::top_level_variable_names, symbol_table::variable_names, symbol_table::assign, symbol_table::clear_all, symbol_table::clear_global, symbol_table::clear_global_pattern, symbol_table::clear_symbol, symbol_table::clear_symbol_pattern, symbol_table::global_assign, symbol_table::top_level_assign): Delete. * variables.h, variables.cc (extract_function): Delete. * ov-fcn-handle.h, ov-fcn-handle.cc (make_fcn_handle): Delete. * lo-array-errwarn.h, lo-array-errwarn.cc (err_index_out_of_range): Delete. * quit.h, quit.cc (octave_exception_state, internal_exception_state, octave_bad_alloc_hook, enum octave_internal_exception, octave_throw_interrupt_exception, octave_throw_execution_exception, octave_throw_bad_alloc, octave_rethrow_exception): Delete.

////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 1993-2021 The Octave Project Developers
//
// See the file COPYRIGHT.md in the top-level directory of this
// distribution or <https://octave.org/copyright/>.
//
// This file is part of Octave.
//
// Octave is free software: you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Octave 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Octave; see the file COPYING.  If not, see
// <https://www.gnu.org/licenses/>.
//
////////////////////////////////////////////////////////////////////////

// Written by John C. Campbell <jcc@bevo.che.wisc.edu>

#if ! defined (octave_file_io_h)
#define octave_file_io_h 1

#include "octave-config.h"

#include <string>

OCTAVE_NAMESPACE_BEGIN

extern OCTINTERP_API void mark_for_deletion (const std::string&);

extern OCTINTERP_API void cleanup_tmp_files (void);

OCTAVE_NAMESPACE_END

#endif