/usr/include/vtk-6.3/vtkParse.h is in libvtk6-dev 6.3.0+dfsg1-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 | /*=========================================================================
  Program:   Visualization Toolkit
  Module:    vtkParse.h
  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.
=========================================================================*/
/*
  This is the header file for vtkParse.tab.c, which is generated
  from vtkParse.y with the "yacc" compiler-compiler.
*/
#ifndef VTK_PARSE_H
#define VTK_PARSE_H
#include "vtkParseType.h"
#include "vtkParseData.h"
#include <stdio.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
 * Define a preprocessor macro. Function macros are not supported.
 */
void vtkParse_DefineMacro(const char *name, const char *definition);
/**
 * Undefine a preprocessor macro.
 */
void vtkParse_UndefineMacro(const char *name);
/**
 * Add an include directory, for use with the "-I" option.
 */
void vtkParse_IncludeDirectory(const char *dirname);
/**
 * Return the full path to a header file.
 */
const char *vtkParse_FindIncludeFile(const char *filename);
/**
 * Ignore BTX/ETX markers
 */
void vtkParse_SetIgnoreBTX(int option);
/**
 * Set the command name, for error reporting and diagnostics.
 */
void vtkParse_SetCommandName(const char *name);
/**
 * Parse a header file and return a FileInfo struct
 */
FileInfo *vtkParse_ParseFile(
  const char *filename, FILE *ifile, FILE *errfile);
/**
 * Read a hints file and update the FileInfo
 */
int vtkParse_ReadHints(FileInfo *data, FILE *hfile, FILE *errfile);
/**
 * Free the FileInfo struct returned by vtkParse_ParseFile()
 */
void vtkParse_Free(FileInfo *data);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif
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