class CSUM
	{
		public int cs_ndir;
		public int cs_nbfree;
		public int cs_nifree;
		public int cs_nffree;
	}

	class CSUMTotal
	{
		public long cs_ndir;
		public long cs_nbfree;
		public long cs_nifree;
		public long cs_nffree;
		public long cs_numclusters;
		public long[] cs_spare = new long[3];
	}

	class FS
	{
		internal const int MINBSIZE = 4096;
		internal const int MAXMNTLEN = 468;
		internal const int MAXVOLLEN = 32;
		internal const int FSMAXSNAP = 20;
		internal const int NOCSPTRS = ((128 / 4 - 4));

		public int FirstField;
		public int Unused1;
		public int SBlkNo;
		public int CBlkNo;
		public int IBlkNo;
		public int DBlkNo;
		public int OldCGOffset;
		public int OldCGMask;
		public int OldTime;
		public int OldSize;
		public int OldDSize;
		public int NCG;
		public int BSize;
		public int FSize;
		public int Frag;
		public int MinFree;
		public int OldRotDelay;
		public int OldRPS;
		public int BMask;
		public int FMask;
		public int BShift;
		public int FShift;
		public int MaxContig;
		public int MaxBpg;
		public int FSBTODB;
		public int SBSize;
		public int[] Spare1 = new int[2];
		public int NINDIR;
		public int INOPD;
		public int OldNSPF;
		public int Optim;
		public int OldNPSect;
		public int OldInterleave;
		public int OldTrackSkew;
		public int[] Id = new int[2];
		public int OldCSAddr;
		public int CSSize;
		public int CGSize;
		public int Spare2;
		public int OldNSect;
		public int OldSPC;
		public int OldNCyl;
		public int OldCPG;
		public int IPG;
		public int FPG;
		public CSUM OldCSTotal = new CSUM();
		public byte FMod;
		public byte Clean;
		public byte ROnly;
		public byte OldFlags;
		public char[] FSMnt = new char[MAXMNTLEN];
		public char[] VolName = new char[MAXVOLLEN];
		public int SWUID;
		public int Pad;
		public int CGRotor;
		public byte[] OCSP = new byte[NOCSPTRS];
		public int ContigDirs;
		public CSUM CSP = new CSUM();
		public int MaxCluster;
		public int Active;
		public int OldCPC;
		public int MaxBSize;
		public long[] SpareCon64 = new long[17];
		public int SBlockLoc;
		public CSUMTotal CSTotal = new CSUMTotal();
		public int Time;
		public int Size;
		public int DSize;
		public int CSAddr;
		public int PendingBlocks;
		public int PendingINodes;
		public int[] SnapINum = new int[FSMAXSNAP];
		public int AvgFileSize;
		public int AvgFPDir;
		public int SaveCGSize;
		public int[] SpareCon32 = new int[25];
		public int Flags;
		public int ContigSumSize;
		public int MaxSymLinkLen;
		public int OldINodeFmt;
		public ulong MaxFileSize;
		public int QBMask;
		public int QFMask;
		public int State;
		public int OldPostTblFormat;
		public int OldNRPos;
		public int[] Spare5 = new int[2];
		public int Magic;

	}