PROGRAM PROG15C;
{$U+    Copyright (C), 1985 by Lyle Faurot.  All rights reserved.

    New Topics:  Screen messages
                 Editing data entered

}
TYPE
  Name_Type = String[12];

VAR
  F_Name    : String[12];

PROCEDURE Print_Entry_Screen;

BEGIN
  ClrScr;
  WriteLn('           PERSONAL DATA ENTRY SCREEN');
  WriteLn;
  WriteLn('First Name:');
  WriteLn;
  WriteLn(' Last Name:');
  WriteLn;
  WriteLn('  Phone No:');
END;

FUNCTION OK(String_Entered : Name_Type) : Boolean;

VAR
  Response : Char;

BEGIN
  GotoXY(1,23);
  Write('Is ', String_Entered, ' correct? (Y or N)  ');
  ReadLn(Response);
  IF (Response = 'y') OR (Response = 'Y')
     THEN
       OK := TRUE
     ELSE
       OK := FALSE;
END;

PROCEDURE Get_First_Name(VAR First_Name : Name_Type);

BEGIN
  REPEAT
    GotoXY(13,3);
    Read(First_Name);
  UNTIL OK(First_Name);
END;

BEGIN
  Print_Entry_Screen;
  Get_First_Name(F_Name);
END.