302 lines
9 KiB
C
302 lines
9 KiB
C
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/*++ BUILD Version: 0001
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*
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* WOW v1.0
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*
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* Copyright (c) 1991, Microsoft Corporation
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*
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* TDB.H
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* 16-bit Kernel Task Data Block
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*
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* History:
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* Created 11-Feb-1992 by Matt Felton (mattfe) - from 16 bit tdb.inc
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* 7-apr-1992 mattfe updated to be win 3.1 compatible
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*
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--*/
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/* XLATOFF */
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#ifndef __TDB16_H
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#define __TDB16_H
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/* XLATON */
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/*
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* NewExeHdr struct offsets. WOW32 uses these for getting expected winversion
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* directly from the exehdr.
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*
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*/
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#define NE_LOWINVER_OFFSET 0x3e
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#define NE_HIWINVER_OFFSET 0x0c
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#define FLAG_NE_PROPFONT 0x2000
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/*
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* Task Data Block - 16 Bit Kernel Data Structure
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*
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* Contains all 16 bit task specific data.
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*
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*/
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#define numTaskInts 7
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#define THUNKELEM 8 // (62*8) = 512-16 (low arena overhead)
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#define THUNKSIZE 8
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/* XLATOFF */
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#pragma pack(2)
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/* XLATON */
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typedef struct TDB { /* tdb16 */
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WORD TDB_next ; // next task in dispatch queue
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WORD TDB_taskSP ; // Saved SS:SP for this task
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WORD TDB_taskSS ; //
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WORD TDB_nEvents ; // Task event counter
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BYTE TDB_priority ; // Task priority (0 is highest)
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#ifdef WOWONLY
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BYTE TDB_thread_ordinal ; // ordinal number of this thread
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WORD TDB_thread_next ; // next thread
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WORD TDB_thread_tdb ; // the real TDB for this task
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WORD TDB_thread_list ; // list of allocated thread structures
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#else // WOWONLY
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BYTE TDB_iMonitor; // USER maintains this field for multiple monitor support
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WORD TDB_Unused2; // BUGBUG - this field was only used for old looking glass (os/2 app support) stuff and should be removed
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DWORD TDB_Unused3; // BUGBUG - this field was only used for old looking glass (os/2 app support) stuff and should be removed
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#endif // else WOWONLY
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DWORD TDB_ptrace_appentry; // used for cvw support to break at app's entry
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//
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// COMPATIBILITY WARNING: the above field(s) used to be
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//
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// WORD TDB_thread_free ; // free list of availble thread structures
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// WORD TDB_thread_count ; // total count of tread structures
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WORD TDB_FCW ; // Floating point control word
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BYTE TDB_flags ; // Task flags
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BYTE TDB_filler ; // keep word aligned
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WORD TDB_ErrMode ; // Error mode for this task
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WORD TDB_ExpWinVer ; // Expected Windows version for this task
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WORD TDB_Module ; // Task module handle to free in killtask
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WORD TDB_pModule ; // Pointer to the module database.
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WORD TDB_Queue ; // Task Event Queue pointer
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WORD TDB_Parent ; // TDB of the task that started this up
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#ifdef WOWONLY
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WORD TDB_SigAction ; // Action for app task signal
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DWORD TDB_ASignalProc ; // App's Task Signal procedure address
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#else // WOWONLY
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WORD TDB_Unused5; // BUGBUG - this field was only used for old looking glass (os/2 app support) stuff and should be removed
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DWORD TDB_Unused6; // BUGBUG - this field was only used for old looking glass (os/2 app support) stuff and should be removed
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#endif // else WOWONLY
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DWORD TDB_USignalProc ; // User's Task Signal procedure address
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DWORD TDB_GNotifyProc ; // Task global discard notify proc.
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DWORD TDB_INTVECS[numTaskInts] ; // Task specfic harare interrupts
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WORD TDB_CompatFlags ; // Compatibility flags
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WORD TDB_CompatFlags2 ; // Upper 16 bits
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//
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// SEVERE COMPATIBILITY WARNING: The following five fields were
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// used by NT WOW, and stomps some MEoW fields, namely:
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// TDB_selTIB, TDB_ThreadHandle, TDB_selHeap32 and TDB_Unused7.
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// Those fields have been put at the end.
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//
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#ifdef WOW
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WORD TDB_CompatHandle ; // for dBase bug
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WORD TDB_WOWCompatFlagsEx ; // More WOW Compatibility flags
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WORD TDB_WOWCompatFlagsEx2 ; // Upper 16 bits
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BYTE TDB_Free[3] ; // Filler to keep TDB size unchanged
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BYTE TDB_cLibrary ; // tracks add/del of ALL libs in system EMS
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#else // WOW
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WORD TDB_selTIB; // Selector to thread/task's TIB
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DWORD TDB_ThreadHandle; // Win32 thread handle
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WORD TDB_selHeap32; // Win32 16-bit heap, for atoms
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WORD TDB_Unused7; // Filler to keep TDB size unchanged
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#endif // else WOW
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DWORD TDB_PHT ; // (HANDLE:OFFSET) to private handle table
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WORD TDB_PDB ; // MSDOS Process Data Block (PDB)
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DWORD TDB_DTA ; // MSDOS Disk Transfer Address
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BYTE TDB_Drive ; // MSDOS current drive
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BYTE TDB_Directory[65] ; // *** not used starting with win95
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// TDB_Directory is not used anymore and is not tracked
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// use TDB_LFNDirectory at end of structure.
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// This field is still kept intact as OLE might be depending on this
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#ifdef WOWONLY
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WORD TDB_Validity ; // initial AX to be passed to a task
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#else // WOWONLY
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WORD TDB_Unused8; // BUGBUG - this field was only used for old looking glass (os/2 app support) stuff and should be removed
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#endif // else WOWONLY
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WORD TDB_Yield_to ; // DirectedYield arg stored here
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WORD TDB_LibInitSeg ; // segment address of libraries to init
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WORD TDB_LibInitOff ; // MakeProcInstance thunks live here.
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WORD TDB_MPI_Sel ; // Code selector for thunks
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WORD TDB_MPI_Thunks[((THUNKELEM*THUNKSIZE)/2)]; //
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BYTE TDB_ModName[8] ; // Name of Module.
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WORD TDB_sig ; // Signature word to detect bogus code
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#ifndef WOW
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DWORD TDB_LastError; // Last error
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#endif // ndef WOW
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#ifdef WOW
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DWORD TDB_ThreadID ; // 32-Bit Thread ID for this Task (use TDB_Filler Above)
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DWORD TDB_hThread ; // 32-bit Thread Handle for this task
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WORD TDB_WOWCompatFlags; // WOW Compatibility flags
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WORD TDB_WOWCompatFlags2; // WOW Compatibility flags
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#ifdef FE_SB
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WORD TDB_WOWCompatFlagsJPN; // WOW Compatibility flags for JAPAN
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WORD TDB_WOWCompatFlagsJPN2; // WOW Compatibility flags for JAPAN
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#endif // FE_SB
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DWORD TDB_vpfnAbortProc; // printer AbortProc
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#endif // def WOW
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BYTE TDB_LFNDirectory[260]; // Long directory name
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#ifdef WOW
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#ifndef WOWONLY
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WORD TDB_selTIB; // Selector to thread/task's TIB
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DWORD TDB_ThreadHandle; // Win32 thread handle
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WORD TDB_selHeap32; // Win32 16-bit heap, for atoms
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WORD TDB_Unused7; // Filler to keep TDB size unchanged
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#endif // ndef WOWONLY
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#endif // def WOW
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} TDB16;
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typedef TDB16 UNALIGNED *PTDB16;
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typedef TDB16 *LPTDB16;
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#ifndef __KERNEL32_H
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/*ASM
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TDBsize = SIZE TDB
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*/
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#endif // ndef__KERNEL32_H
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/* XLATOFF */
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#ifndef __KERNEL32_H
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#ifndef WOW32_EXTENSIONS
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typedef TDB16 TDB;
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typedef TDB UNALIGNED *PTDB;
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#endif // ndef WOW32_EXTENSIONS
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#endif // ndef__KERNEL32_H
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// NEW_EXE1 struc from core\inc\newexe.inc
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typedef struct tagNEW_EXE1 {
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WORD ne_blah1;
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WORD ne_usage;
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WORD ne_blah2;
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WORD ne_pnextexe;
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WORD ne_pautodata;
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WORD ne_pfileinfo; // OFSTRUCTEX offset in TDB_pModule
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} NEW_EXE1;
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// PDB16 comes from core\inc\pdb.inc
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typedef struct tagPDB16 {
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WORD PDB16_Exit_Call;
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WORD PDB16_block_len;
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BYTE PDB16_pad1;
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BYTE PDB16_CPM_Call[5];
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DWORD PDB16_Exit;
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DWORD PDB16_Ctrl_C;
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DWORD PDB16_Fatal_Abort;
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WORD PDB16_Parent_PID;
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BYTE PDB16_JFN_Table[20];
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WORD PDB16_environ;
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DWORD PDB16_User_stack;
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WORD PDB16_JFN_Length;
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DWORD PDB16_JFN_Pointer;
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DWORD PDB16_Next_PDB;
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BYTE PDB16_InterCon;
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BYTE PDB16_Append;
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BYTE PDB16_Novell_Used[2];
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WORD PDB16_Version;
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WORD PDB16_Chain;
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WORD PDB16_Partition;
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WORD PDB16_NextPDB;
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DWORD PDB16_GlobalHeap;
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DWORD PDB16_Entry_stack;
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BYTE PDB16_Call_system[5];
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BYTE PDB16_PAD2[5];
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WORD PDB16_DupRefCount;
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BYTE PDB16_5C_FCB[0x10];
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BYTE PDB16_6C_FCB[0x14];
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BYTE PDB16_DEF_DTA[0x80];
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} PDB16;
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/* XLATON */
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// signature word used to check validity of a TDB
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#define TDB_SIGNATURE 'DT'
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// TDB flags
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// GDI will clear the TDBF_HOOKINT2F bit when enabling/disabling the
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// DISPLAY driver, *dont* change or remove this bit without changing
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// GDI. Toddla
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//
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#define TDBF_WINOLDAP 01 /* This app is WinOldAp. */
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#define TDBF_EMSSHARE 02 /* This app shares EMS banks with MSDOS EXEC. */
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#define TDBF_CACHECHECK 04 /* Used in CacheCompact to prevent revisitation. */
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#ifdef WOWONLY
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#define TDBF_OS2APP 0x08 // This is an OS/2 app.
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#define TDBF_WIN32S 0x10 // This is Win32S app.
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#else ; WOWONLY
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#define TDBF_NEWTASK 0x08 // This task has not yet been scheduled
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#endif ; WOWONLY
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#define TDBF_KERNEL32 0x10 /* This is a Kernel32 thread */
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#define TDBF_HGCLEANUP 0x20 /* Win32 app has ganged handles to clean up */
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#define TDBF_HOOKINT21 0x40 // app hooks int 21H
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#define TDBF_HOOKINT2F 0x80 // app hooks int 2FH
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// This bit is defined for the TDB_Drive field
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#define TDB_DIR_VALID 0x80
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// NOTE TDB_ThreadID MUST be DWORD aligned or else it will fail on MIPS
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/* XLATOFF */
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#pragma pack()
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/* XLATON */
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/* XLATOFF */
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#endif // ndef __TDB16_H
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/* XLATON */
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