186 lines
8.9 KiB
C
186 lines
8.9 KiB
C
/* exe.h - structure of an exe file header */
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/* Include some new .exe file info from \link\newexe.h */
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#define EMAGIC 0x5A4D /* Old magic number */
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#define ENEWEXE sizeof(struct exe_hdr)
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/* Value of E_LFARLC for new .EXEs */
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#define ENEWHDR 0x003C /* Offset in old hdr. of ptr. to new */
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#define ERESWDS 0x0010 /* No. of reserved words (OLD) */
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#define ERES1WDS 0x0004 /* No. of reserved words in e_res */
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#define ERES2WDS 0x000A /* No. of reserved words in e_res2 */
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#define ECP 0x0004 /* Offset in struct of E_CP */
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#define ECBLP 0x0002 /* Offset in struct of E_CBLP */
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#define EMINALLOC 0x000A /* Offset in struct of E_MINALLOC */
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#define E_MAGIC(x) (x).e_magic
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#define E_CBLP(x) (x).e_cblp
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#define E_CP(x) (x).e_cp
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#define E_CRLC(x) (x).e_crlc
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#define E_CPARHDR(x) (x).e_cparhdr
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#define E_MINALLOC(x) (x).e_minalloc
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#define E_MAXALLOC(x) (x).e_maxalloc
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#define E_SS(x) (x).e_ss
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#define E_SP(x) (x).e_sp
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#define E_CSUM(x) (x).e_csum
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#define E_IP(x) (x).e_ip
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#define E_CS(x) (x).e_cs
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#define E_LFARLC(x) (x).e_lfarlc
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#define E_OVNO(x) (x).e_ovno
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#define E_RES(x) (x).e_res
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#define E_OEMID(x) (x).e_oemid
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#define E_OEMINFO(x) (x).e_oeminfo
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#define E_RES2(x) (x).e_res2
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#define E_LFANEW(x) (x).e_lfanew
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#define NEMAGIC 0x454E /* New magic number */
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#define NTMAGIC 0x4550 /* NT magic number */
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#define NERESBYTES 8 /* Eight bytes reserved (now) */
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#define NECRC 8 /* Offset into new header of NE_CRC */
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#define NEDEFSTUBMSG 0x4E /* Offset into file of default stub msg */
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#define NE_MAGIC(x) (x).ne_magic
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#define NE_VER(x) (x).ne_ver
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#define NE_REV(x) (x).ne_rev
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#define NE_ENTTAB(x) (x).ne_enttab
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#define NE_CBENTTAB(x) (x).ne_cbenttab
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#define NE_CRC(x) (x).ne_crc
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#define NE_FLAGS(x) (x).ne_flags
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#define NE_AUTODATA(x) (x).ne_autodata
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#define NE_HEAP(x) (x).ne_heap
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#define NE_STACK(x) (x).ne_stack
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#define NE_CSIP(x) (x).ne_csip
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#define NE_SSSP(x) (x).ne_sssp
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#define NE_CSEG(x) (x).ne_cseg
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#define NE_CMOD(x) (x).ne_cmod
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#define NE_CBNRESTAB(x) (x).ne_cbnrestab
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#define NE_SEGTAB(x) (x).ne_segtab
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#define NE_RSRCTAB(x) (x).ne_rsrctab
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#define NE_RESTAB(x) (x).ne_restab
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#define NE_MODTAB(x) (x).ne_modtab
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#define NE_IMPTAB(x) (x).ne_imptab
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#define NE_NRESTAB(x) (x).ne_nrestab
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#define NE_CMOVENT(x) (x).ne_cmovent
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#define NE_ALIGN(x) (x).ne_align
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#define NE_IPHI(x) (x).ne_iphi
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#define NE_SPHI(x) (x).ne_sphi
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#define NE_RES(x) (x).ne_res
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#define NE_USAGE(x) (WORD)*((WORD *)(x)+1)
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#define NE_PNEXTEXE(x) (WORD)(x).ne_cbenttab
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#define NE_ONEWEXE(x) (WORD)(x).ne_crc
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#define NE_PFILEINFO(x) (WORD)((DWORD)(x).ne_crc >> 16)
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/*
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* Format of NE_FLAGS(x):
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*
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* p Not-a-process
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* x Unused
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* e Errors in image
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* xxxxx Unused
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* f Floating-point instructions
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* 3 386 instructions
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* 2 286 instructions
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* 0 8086 instructions
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* P Protected mode only
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* x Unused
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* i Instance data
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* s Solo data
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*/
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#define NENOTP 0x8000 /* Not a process */
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#define NEIERR 0x2000 /* Errors in image */
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#define NEFLTP 0x0080 /* Floating-point instructions */
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#define NEI386 0x0040 /* 386 instructions */
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#define NEI286 0x0020 /* 286 instructions */
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#define NEI086 0x0010 /* 8086 instructions */
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#define NEPROT 0x0008 /* Runs in protected mode only */
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#define NEINST 0x0002 /* Instance data */
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#define NESOLO 0x0001 /* Solo data */
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struct exeType {
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char signature[2]; /* zibo's signature */
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unsigned cbPage; /* bytes in image mod 512 */
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unsigned cPage; /* size of file in 512 byte pages */
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unsigned cReloc; /* number of relocation items */
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unsigned cParDir; /* number of paragraphs before image */
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unsigned cMinAlloc; /* minimum number of paragrapsh */
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unsigned cMaxAlloc; /* maximum number of paragrapsh */
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unsigned sStack; /* segment of stack in image */
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unsigned oStack; /* offset of stack in image */
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unsigned chksum; /* checksum of file */
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unsigned oEntry; /* offset of entry point */
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unsigned sEntry; /* segment of entry point */
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unsigned oReloc; /* offset in file of reloc table */
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unsigned iOverlay; /* overlay number */
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};
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struct exe_hdr /* DOS 1, 2, 3 .EXE header */
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{
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unsigned short e_magic; /* Magic number */
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unsigned short e_cblp; /* Bytes on last page of file */
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unsigned short e_cp; /* Pages in file */
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unsigned short e_crlc; /* Relocations */
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unsigned short e_cparhdr; /* Size of header in paragraphs */
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unsigned short e_minalloc; /* Minimum extra paragraphs needed */
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unsigned short e_maxalloc; /* Maximum extra paragraphs needed */
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unsigned short e_ss; /* Initial (relative) SS value */
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unsigned short e_sp; /* Initial SP value */
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unsigned short e_csum; /* Checksum */
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unsigned short e_ip; /* Initial IP value */
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unsigned short e_cs; /* Initial (relative) CS value */
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unsigned short e_lfarlc; /* File address of relocation table */
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unsigned short e_ovno; /* Overlay number */
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unsigned short e_res[ERES1WDS];/* Reserved words */
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unsigned short e_oemid; /* OEM identifier (for e_oeminfo) */
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unsigned short e_oeminfo; /* OEM information; e_oemid specific */
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unsigned short e_res2[ERES2WDS];/* Reserved words */
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long e_lfanew; /* File address of new exe header */
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};
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struct new_exe /* New .EXE header */
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{
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unsigned short ne_magic; /* Magic number NE_MAGIC */
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unsigned char ne_ver; /* Version number */
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unsigned char ne_rev; /* Revision number */
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unsigned short ne_enttab; /* Offset of Entry Table */
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unsigned short ne_cbenttab; /* Number of bytes in Entry Table */
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long ne_crc; /* Checksum of whole file */
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unsigned short ne_flags; /* Flag word */
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unsigned short ne_autodata; /* Automatic data segment number */
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unsigned short ne_heap; /* Initial heap allocation */
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unsigned short ne_stack; /* Initial stack allocation */
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long ne_csip; /* Initial CS:IP setting */
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long ne_sssp; /* Initial SS:SP setting */
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unsigned short ne_cseg; /* Count of file segments */
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unsigned short ne_cmod; /* Entries in Module Reference Table */
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unsigned short ne_cbnrestab; /* Size of non-resident name table */
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unsigned short ne_segtab; /* Offset of Segment Table */
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unsigned short ne_rsrctab; /* Offset of Resource Table */
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unsigned short ne_restab; /* Offset of resident name table */
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unsigned short ne_modtab; /* Offset of Module Reference Table */
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unsigned short ne_imptab; /* Offset of Imported Names Table */
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long ne_nrestab; /* Offset of Non-resident Names Table */
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unsigned short ne_cmovent; /* Count of movable entries */
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unsigned short ne_align; /* Segment alignment shift count */
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unsigned short ne_iphi; /* High word of initial IP */
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unsigned short ne_sphi; /* High word of initial SP */
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char ne_res[NERESBYTES];
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/* Pad structure to 64 bytes */
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};
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enum exeKind {
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IOERROR, /* Error, file cannot be accessed */
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NOTANEXE, /* Error, file is not an .EXE file */
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OLDEXE, /* "oldstyle" DOS 3.XX .exe */
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NEWEXE, /* "new" .exe, OS is unknown */
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WINDOWS, /* Windows executable */
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DOS4, /* DOS 4.XX .EXE */
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DOS286, /* 286DOS .EXE */
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// changed BOUND to BOUNDEXE since BOUND is defined as a macro in new OS/2
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// include files - davewe 8/24/89
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BOUNDEXE, /* 286DOS .EXE, bound */
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DYNALINK, /* Dynamlink link module */
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NTEXE /* NT executable */
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};
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