File: ex99.pp

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Program Example99;

{ Program to demonstrate the CompareByte function. }

Const 
  ArraySize     = 100;
  HalfArraySize = ArraySize Div 2;
  
Var 
  Buf1,Buf2 : Array[1..ArraySize] of byte;
  I : longint;
  
  Procedure CheckPos(Len : Longint);
  
  Begin
    Write('First ',Len,' positions are ');
    if CompareByte(Buf1,Buf2,Len)<>0 then
      Write('NOT ');
    Writeln('equal');  
  end;


begin
  For I:=1 to ArraySize do
    begin
    Buf1[i]:=I;
    If I<=HalfArraySize Then
      Buf2[I]:=I
    else
      Buf2[i]:=HalfArraySize-I;
    end; 
  CheckPos(HalfArraySize div 2);
  CheckPos(HalfArraySize);
  CheckPos(HalfArraySize+1);
  CheckPos(HalfArraySize + HalfArraySize Div 2);
end.