What flag would one use with (4.1) lint to get it to tell you that char *string = input; for(; string != '\0'; string++) is an error? Seems to me that a character constant should not be allowed to be compared to a pointer. P. Tucker Withington Automatix Incorporated ...decvax!{wivax,genrad}!linus!vaxine!ptw (617) 667-7900 x2044