3.3. // Comments

In extended mode, Cray Standard C allows C++ style // comment lines. The // characters start a comment, which terminates with the next newline character.

If there is a form-feed or a vertical-tab character in this type of comment, only white space characters can appear between it and the newline character that terminates the comment. The //, /*, and */ comment characters have no special meaning within a // comment, and they are treated like other characters. Similarly, the // and /* comment characters have no special meaning within a /* comment.