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OS/2 Shareware BBS: 5 Edit
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05-Edit.zip
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HEDITOR.ZIP
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SAMPLE.STR
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1990-07-27
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/****************************************************************************
(C)Copyright 1986-1990; Thuan-Tit Ewe, CompuTech Software Systems,
Penang 11400, Malaysia.
Sample structure file for heditor. Some features of this file has
not been implemented yet. Only a limited number of types are supported.
Future revision of heditor may support printing of integers in any base.
****************************************************************************/
struct DISK_BOOT {
char jmp[3];
char OEM[8];
int Bytes;
char Sec_c;
int words;
char fats;
int dirs;
unsigned int secrs;
unsigned char bytes;
int sec_fts;
int sec_tck;
int head;
int hid_srs;
};
(print hex)
struct OMD_RECORD { /* OMF record */
( use hex) char Type; /* type */
unsigned int Length;
char Record[ Length - 1];
(print hex) char Check_Sum;
};
(print hex) struct COFF_RECORD { (print hex) char Type; char Name[9]; };
struct FILE { /* from microsoft */
char _ptr;
int _cnt;
char _base;
char _flag;
char _file;
};
/* Coff file file header */
struct filehdr {
unsigned short f_magic; /* magic number */
unsigned short f_nscns; /* number of sections */
long f_timdat; /* time & date stamp */
long f_symptr; /* file pointer to symtab */
long f_nsyms; /* number of symtab entries */
unsigned short f_opthdr; /* sizeof(optional hdr) */
unsigned short f_flags; /* flags */
};
struct EXEHEAD
{
char sig[2]; /* 4Dh,5Ah - signature */
unsigned int length; /* Length of load module % 512 */
unsigned int size; /* Size of program in pages, (512 bytes) */
unsigned int no_reloc; /* No of relocatible objecs */
unsigned int header_sz; /* Size of header in para */
unsigned int min; /* Min memory */
unsigned int max; /* Max memory */
unsigned int SS; /* + start segment = SS */
unsigned int SP; /* */
unsigned int checksum; /* Negative sum of all words in file */
unsigned int IP; /* */
unsigned int CS; /* + start segment = CS */
unsigned int st_reloc; /* 1 relocatible in bytes */
unsigned int overlay; /* Overlay number */
} ;
/* A maximum of 6 structure can be loaded only */
/* Section headers in COFF files */
struct scnhdr {
char s_name[8]; /* section name */
long s_paddr; /* physical address, aliased s_nlib */
long s_vaddr; /* virtual address */
long s_size; /* section size */
long s_scnptr; /* file ptr to raw data for section */
long s_relptr; /* file ptr to relocation */
long s_lnnoptr; /* file ptr to line numbers */
unsigned short s_nreloc; /* number of relocation entries */
unsigned short s_nlnno; /* number of line number entries */
long s_flags; /* flags */
};