#define EMAGIC		0x5A4D		/* Old magic number */
#define NEMAGIC 	0x4E45		/* New magic number */
#define ERES2WDS	0x000A		/* No. of reserved words in e_res2 */

struct exe_hdr				/* DOS 1, 2, 3 .EXE header */
  {
    unsigned short      e_magic;        /* Magic number */
    unsigned short      e_cblp;         /* Bytes on last page of file */
    unsigned short      e_cp;           /* Pages in file */
    unsigned short      e_crlc;         /* Relocations */
    unsigned short      e_cparhdr;      /* Size of header in paragraphs */
    unsigned short      e_minalloc;     /* Minimum extra paragraphs needed */
    unsigned short      e_maxalloc;     /* Maximum extra paragraphs needed */
    unsigned short      e_ss;           /* Initial (relative) SS value */
    unsigned short      e_sp;           /* Initial SP value */
    unsigned short      e_csum;         /* Checksum */
    unsigned short      e_ip;           /* Initial IP value */
    unsigned short      e_cs;           /* Initial (relative) CS value */
    unsigned short      e_lfarlc;       /* File address of relocation table */
    unsigned short      e_ovno;         /* Overlay number */
    unsigned long       e_sym_tab;      /* offset of symbol table file */
    unsigned short      e_flags;        /* old exe header flags  */
    unsigned short      e_res;          /* Reserved words */
    unsigned short      e_oemid;        /* OEM identifier (for e_oeminfo) */
    unsigned short      e_oeminfo;      /* OEM information; e_oemid specific */
    unsigned short      e_res2[ERES2WDS];/* Reserved words */
    long                e_lfanew;       /* File address of new exe header */
  };