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union {
	DWORD            ne_crc;	/* 32-bit CRC of entire contents of file.
								   These words are taken as 00 during the calculation */
	struct {
		WORD	dgroup_entry;	/* Near ptr to segment entry for DGROUP */
		WORD	fileinfo;		/* Near ptr to file info (OFSTRUCT)*/
	};
};
  WORD  ne_flags;					/* Flag word */
  WORD  ne_autodata;				/* Segment number of automatic data segment.
								   This value is set to zero if SINGLEDATA and
								   MULTIPLEDATA flag bits are clear, NOAUTODATA is
								   indicated in the flags word.

								   A Segment number is an index into the module's segment
								   table. The first entry in the segment table is segment
								   number 1 */
  WORD  ne_heap;					/* Initial size, in bytes, of dynamic heap added to the
								   data segment. This value is zero if no initial local
								   heap is allocated */
  WORD  ne_stack;					/* Initial size, in bytes, of stack added to the data
								   segment. This value is zero to indicate no initial
								   stack allocation, or when SS is not equal to DS */
  DWORD            ne_csip;		/* Segment number:offset of CS:IP */
DWORD            ne_sssp;		/* Segment number:offset of SS:SP.
								   If SS equals the automatic data segment and SP equals
								   zero, the stack pointer is set to the top of the
								   automatic data segment just below the additional heap
								   area.

								   +--------------------------+
								   | additional dynamic heap  |
								   +--------------------------+ <- SP
								   |    additional stack      |
								   +--------------------------+
								   | loaded auto data segment |
								   +--------------------------+ <- DS, SS */
  WORD  ne_cseg;					/* Number of entries in the Segment Table */
  WORD  ne_cmod;					/* Number of entries in the Module Reference Table */
  WORD  ne_cbnrestab;				/* Number of bytes in the Non-Resident Name Table */
  WORD  ne_segtab;				/* Segment Table file offset, relative to the beginning
								   of the segmented EXE header */
  WORD  ne_rsrctab;				/* Resource Table file offset, relative to the beginning
								   of the segmented EXE header */
WORD  ne_restab;				/* Resident Name Table file offset, relative to the
								   beginning of the segmented EXE header */
  WORD  ne_modtab;				/* Module Reference Table file offset, relative to the
								   beginning of the segmented EXE header */
  WORD  ne_imptab;				/* Imported Names Table file offset, relative to the
								   beginning of the segmented EXE header */
  DWORD	ne_nrestab;				/* Non-Resident Name Table offset, relative to the
								   beginning of the file */
  WORD	ne_cmovent;				/* Number of movable entries in the Entry Table */
  WORD	ne_align;				/* Logical sector alignment shift count, log(base 2) of
								   the segment sector size (default 9) */
  WORD	ne_cres;				/* Number of resource entries */
  BYTE	ne_exetyp;				/* Executable type, used by loader.
								   02h = WINDOWS */
  BYTE	ne_flagsothers;			/* Operating system flags */
  char	ne_res[NERESBYTES];		/* Reserved */ 

};

On-disk segment entry

In-memory segment entry

struct new_segdata {

  union {
      struct {
          WORD      ns_niter;
          WORD      ns_nbytes;
          char      ns_iterdata;
      } ns_iter;
      struct {
          char      ns_data;
      } ns_noniter;
  } ns_union;

};

struct new_rlcinfo {

  WORD  nr_nreloc;

};

struct new_rlc {

  char            nr_stype;
  char            nr_flags;
  WORD  nr_soff;
  union {
      struct {
          char            nr_segno;
          char            nr_res;
          WORD  nr_entry;
        } nr_intref;
      struct {
          WORD  nr_mod;
          WORD  nr_proc;
        } nr_import;
      struct {
          WORD  nr_ostype;
          WORD  nr_osres;
        } nr_osfix;
    } nr_union;

};

#define NR_STYPE(x) (x).nr_stype #define NR_FLAGS(x) (x).nr_flags #define NR_SOFF(x) (x).nr_soff #define NR_SEGNO(x) (x).nr_union.nr_intref.nr_segno #define NR_RES(x) (x).nr_union.nr_intref.nr_res #define NR_ENTRY(x) (x).nr_union.nr_intref.nr_entry #define NR_MOD(x) (x).nr_union.nr_import.nr_mod #define NR_PROC(x) (x).nr_union.nr_import.nr_proc #define NR_OSTYPE(x) (x).nr_union.nr_osfix.nr_ostype #define NR_OSRES(x) (x).nr_union.nr_osfix.nr_osres

#define NRSTYP 0x0f #define NRSBYT 0x00 #define NRSSEG 0x02 #define NRSPTR 0x03 #define NRSOFF 0x05 #define NRPTR48 0x06 #define NROFF32 0x07 #define NRSOFF32 0x08

#define NRADD 0x04 #define NRRTYP 0x03 #define NRRINT 0x00 #define NRRORD 0x01 #define NRRNAM 0x02 #define NRROSF 0x03 #define NRICHAIN 0x08

#if (EXE386 == 0)

#define RS_LEN(x) (x).rs_len #define RS_STRING(x) (x).rs_string #define RS_ALIGN(x) (x).rs_align

#define RT_ID(x) (x).rt_id #define RT_NRES(x) (x).rt_nres #define RT_PROC(x) (x).rt_proc

#define RN_OFFSET(x) (x).rn_offset #define RN_LENGTH(x) (x).rn_length #define RN_FLAGS(x) (x).rn_flags #define RN_ID(x) (x).rn_id #define RN_HANDLE(x) (x).rn_handle #define RN_USAGE(x) (x).rn_usage

#define RSORDID 0x8000

#define RNMOVE 0x0010 #define RNPURE 0x0020 #define RNPRELOAD 0x0040 #define RNDISCARD 0xF000

#define NE_FFLAGS_LIBMODULE 0x8000

struct rsrc_string {

  char    rs_len;
  char    rs_string[1];

};

struct rsrc_typeinfo {

  WORD  rt_id;
  WORD  rt_nres;
  DWORD            rt_proc;

};

struct rsrc_nameinfo {

  WORD  rn_offset;
  WORD  rn_length;
  WORD  rn_flags;
  WORD  rn_id;
  WORD  rn_handle;
  WORD  rn_usage;

};

struct new_rsrc {

  WORD          rs_align;
  struct rsrc_typeinfo    rs_typeinfo;

};