const max_line_char=400; type line_buffer=packed array[1..max_line_char] of char; pib= record { parse input block } line:line_buffer; old_char:integer; csaved:boolean; pflag:boolean; ok:boolean; line_number:integer; line_index:0..max_line_char; dfile:file of char; dfilename:filename end; string40=packed array[1..40] of char; string11=packed array[1..11] of char.