dos_compilers/Borland Turbo Pascal v6/DOC/DOS.INT
2024-07-02 07:11:05 -07:00

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{*******************************************************}
{ }
{ Turbo Pascal Version 6.0 }
{ DOS Interface Unit }
{ }
{ Copyright (C) 1987, 1990 Borland International }
{ }
{*******************************************************}
unit Dos;
{$D-,I-,S-}
interface
const
{ Flags bit masks }
FCarry = $0001;
FParity = $0004;
FAuxiliary = $0010;
FZero = $0040;
FSign = $0080;
FOverflow = $0800;
{ File mode magic numbers }
fmClosed = $D7B0;
fmInput = $D7B1;
fmOutput = $D7B2;
fmInOut = $D7B3;
{ File attribute constants }
ReadOnly = $01;
Hidden = $02;
SysFile = $04;
VolumeID = $08;
Directory = $10;
Archive = $20;
AnyFile = $3F;
type
{ String types }
ComStr = string[127]; { Command line string }
PathStr = string[79]; { Full file path string }
DirStr = string[67]; { Drive and directory string }
NameStr = string[8]; { File name string }
ExtStr = string[4]; { File extension string }
{ Registers record used by Intr and MsDos }
Registers = record
case Integer of
0: (AX,BX,CX,DX,BP,SI,DI,DS,ES,Flags: Word);
1: (AL,AH,BL,BH,CL,CH,DL,DH: Byte);
end;
{ Typed-file and untyped-file record }
FileRec = record
Handle: Word;
Mode: Word;
RecSize: Word;
Private: array[1..26] of Byte;
UserData: array[1..16] of Byte;
Name: array[0..79] of Char;
end;
{ Textfile record }
TextBuf = array[0..127] of Char;
TextRec = record
Handle: Word;
Mode: Word;
BufSize: Word;
Private: Word;
BufPos: Word;
BufEnd: Word;
BufPtr: ^TextBuf;
OpenFunc: Pointer;
InOutFunc: Pointer;
FlushFunc: Pointer;
CloseFunc: Pointer;
UserData: array[1..16] of Byte;
Name: array[0..79] of Char;
Buffer: TextBuf;
end;
{ Search record used by FindFirst and FindNext }
SearchRec = record
Fill: array[1..21] of Byte;
Attr: Byte;
Time: Longint;
Size: Longint;
Name: string[12];
end;
{ Date and time record used by PackTime and UnpackTime }
DateTime = record
Year,Month,Day,Hour,Min,Sec: Word;
end;
var
{ Error status variable }
DosError: Integer;
function DosVersion: Word;
procedure Intr(IntNo: Byte; var Regs: Registers);
procedure MsDos(var Regs: Registers);
procedure GetDate(var Year,Month,Day,DayOfWeek: Word);
procedure SetDate(Year,Month,Day: Word);
procedure GetTime(var Hour,Minute,Second,Sec100: Word);
procedure SetTime(Hour,Minute,Second,Sec100: Word);
procedure GetCBreak(var Break: Boolean);
procedure SetCBreak(Break: Boolean);
procedure GetVerify(var Verify: Boolean);
procedure SetVerify(Verify: Boolean);
function DiskFree(Drive: Byte): Longint;
function DiskSize(Drive: Byte): Longint;
procedure GetFAttr(var F; var Attr: Word);
procedure SetFAttr(var F; Attr: Word);
procedure GetFTime(var F; var Time: Longint);
procedure SetFTime(var F; Time: Longint);
procedure FindFirst(Path: PathStr; Attr: Word; var F: SearchRec);
procedure FindNext(var F: SearchRec);
procedure UnpackTime(P: Longint; var T: DateTime);
procedure PackTime(var T: DateTime; var P: Longint);
procedure GetIntVec(IntNo: Byte; var Vector: Pointer);
procedure SetIntVec(IntNo: Byte; Vector: Pointer);
procedure SwapVectors;
procedure Keep(ExitCode: Word);
procedure Exec(Path: PathStr; ComLine: ComStr);
function DosExitCode: Word;
function FSearch(Path: PathStr; DirList: String): PathStr;
function FExpand(Path: PathStr): PathStr;
procedure FSplit(Path: PathStr; var Dir: DirStr;
var Name: NameStr; var Ext: ExtStr);
function EnvCount: Integer;
function EnvStr(Index: Integer): String;
function GetEnv(EnvVar: String): String;