definition module conversions; export qualified buffer, intstr, strint, realstr, strreal; type buffer = array [1..80] of char; procedure intstr ( i : integer; var s : integer; var str : buffer ); procedure strint ( s : integer; str : buffer; var i : integer ); procedure realstr ( r1 : real; var s : integer; var str : buffer ); procedure strreal ( s : integer; str : buffer; var r1 : real ); end conversions.