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+// lex.h                                                 -*- C++ -*-
+/*
+
+Copyright (C) 1992, 1993 John W. Eaton
+
+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 2, 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, write to the Free
+Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#if !defined (_lex_h)
+#define _lex_h 1
+
+typedef struct yy_buffer_state *YY_BUFFER_STATE;
+
+// Associate a buffer with a new file to read.
+extern YY_BUFFER_STATE create_buffer (FILE *f);
+
+// Report the current buffer.
+extern YY_BUFFER_STATE current_buffer (void);
+
+// Connect to new buffer buffer.
+extern void switch_to_buffer (YY_BUFFER_STATE buf);
+
+// Delete a buffer.
+extern void delete_buffer (YY_BUFFER_STATE buf);
+
+// Restore a buffer (for unwind-prot).
+extern void restore_input_buffer (void *buf);
+
+// Delete a buffer (for unwind-prot).
+extern void delete_input_buffer (void *buf);
+
+// See if a function file has extra garbage after the end statement.
+extern void check_for_garbage_after_fcn_def (void);
+
+#endif
+
+/*
+;;; Local Variables: ***
+;;; mode: C++ ***
+;;; page-delimiter: "^/\\*" ***
+;;; End: ***
+*/