#if O_TEXT != O_BINARY
/* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
* that is, you are somehow DOSish. */
-# if defined(__BEOS__) || defined(__VOS__)
+# if defined(__BEOS__) || defined(__VOS__) || defined(__CYGWIN__)
/* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
* BeOS is always UNIXoid (LF), not DOSish (CRLF). */
/* VOS has O_TEXT != O_BINARY, and they have effect,