/usr/include/mmdb/mmdb_mask.h is in libmmdb-dev 1.23.2.1-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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//
// CCP4 Coordinate Library: support of coordinate-related
// functionality in protein crystallography applications.
//
// Copyright (C) Eugene Krissinel 2000-2008.
//
// This library is free software: you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License version 3, modified in accordance with the provisions
// of the license to address the requirements of UK law.
//
// You should have received a copy of the modified GNU Lesser
// General Public License along with this library. If not, copies
// may be downloaded from http://www.ccp4.ac.uk/ccp4license.php
//
// This program 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 Lesser General Public License for more details.
//
// =================================================================
//
// 17.11.00 <-- Date of Last Modification.
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// -----------------------------------------------------------------
//
// **** Module : MMDBF_Mask <interface>
// ~~~~~~~~~
// **** Project : MacroMolecular Data Base (MMDB)
// ~~~~~~~~~
//
// **** Classes : CMask ( atom selection mask )
// ~~~~~~~~~
//
// (C) E. Krissinel 2000-2008
//
// =================================================================
//
#ifndef __MMDB_Mask__
#define __MMDB_Mask__
#ifndef __Stream__
#include "stream_.h"
#endif
// ==================== CMask ========================
DefineClass(CMask)
DefineStreamFunctions(CMask)
class CMask : public CStream {
public :
CMask ();
CMask ( RPCStream Object );
~CMask();
void SetMaskBit ( int BitNo );
void NewMask ( PPCMask Mask, int nMasks );
void CopyMask ( PCMask Mask ); // this = Mask
void SetMask ( PCMask Mask ); // this = this | Mask
void RemoveMask ( PCMask Mask ); // this = this & (~Mask)
void SelMask ( PCMask Mask ); // this = this & Mask
void XadMask ( PCMask Mask ); // this = this ^ Mask
void ClearMask (); // this = NULL
void NegMask (); // this = ~this
Boolean CheckMask ( PCMask Mask ); // True if the bit is on
Boolean isMask (); // true if any mask bit is on
pstr Print ( pstr S ); // returns binary string
void write ( RCFile f );
void read ( RCFile f );
protected :
int mlen;
wvector m;
void InitMask();
void Expand ( int n );
};
#endif
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