INTERFACE MODULE CLib; PROCEDURE Heure EXTERNAL heure (VAR sec : CARDINAL; VAR usec : CARDINAL); PROCEDURE StrToLReal EXTERNAL stolreal ( S : ARRAY OF CHAR; VAR x : LONGREAL ); PROCEDURE LRealToStr EXTERNAL lrealtos ( x : LONGREAL; i : INTEGER; VAR S : ARRAY OF CHAR ); END CLib.