node_modules/uncrustify/tests/input/c/dos.c

/**
 * This is your typical header comment
 */
int foo(int bar)
{
   int idx;
   int res = 0;      // trailing comment
                     // that spans two lines
   for (idx = 1; idx < bar; idx++)
   {
      /* comment in virtual braces */
      res += idx;
   }


   res *= idx;        // some comment

   // almost continued, but a NL in between

// col1 comment in level 1
   return(res);
}

// col1 comment in level 0

/*
   Silly multiline comment.

   Oh yes.

   Really
*/