uses DbiProcs;

function GetDirByDatabase( Database: TDatabase ): string;
var
  pszDir: PChar;
begin
  pszDir := StrAlloc( 255 );
  try
    DbiGetDirectory( Database.Handle, True, pszDir );
    Result := StrPas( pszDir );
  finally
    StrDispose( pszDir );
  end;
end;

function GetPhNameByAlias( sAlias: string ): string;
var
  Database: TDatabase;
  pszDir: PChar;
begin
  Database := TDatabase.Create( nil ); {allocate memory}
  pszDir := StrAlloc( 255 );
  try
    Database.AliasName := sAlias;
    Database.DatabaseName := 'TEMP'; {requires a name -- is ignored}
    Database.Connected := True; {connect without opening any table}
    DbiGetDirectory( Database.Handle, True, pszDir ); {get the dir.}
    Database.Connected := False; {disconnect}
    Result := StrPas( pszDir ); {convert to a string}
  finally
    Database.Free; {free memory}
    StrDispose( pszDir );
  end;
end;