ObjFW  Check-in [b9f69f358f]

 *
 * @note The uncompressed size, compressed size and CRC16 of the specified
 *	 entry are ignored.
 *
 * @note The returned stream conforms to @ref OFReadyForWritingObserving if the
 *	 underlying stream does so, too.
 *
 * @warning Calling @ref nextEntry will invalidate all streams returned by
 *	    @ref streamForReadingCurrentEntry or
 * @warning Calling @ref streamForWritingEntry: will invalidate all streams
 *	    returned by @ref streamForReadingCurrentEntry or
 *	    @ref streamForWritingEntry:! Reading from or writing to an
 *	    invalidated stream will throw an @ref OFReadFailedException or
 *	    @ref OFWriteFailedException!
 *
 * @param entry The entry for which a stream for writing should be returned
 * @return A stream for writing the specified entry
 */

 * @brief Returns a stream for writing the specified entry.
 *
 * @note This is only available in write and append mode.
 *
 * @note The returned stream conforms to @ref OFReadyForWritingObserving if the
 *	 underlying stream does so, too.
 *
 * @warning Calling @ref nextEntry will invalidate all streams returned by
 *	    @ref streamForReadingCurrentEntry or
 * @warning Calling @ref streamForWritingEntry: will invalidate all streams
 *	    returned by @ref streamForReadingCurrentEntry or
 *	    @ref streamForWritingEntry:! Reading from or writing to an
 *	    invalidated stream will throw an @ref OFReadFailedException or
 *	    @ref OFWriteFailedException!
 *
 * @param entry The entry for which a stream for writing should be returned
 * @return A stream for writing the specified entry
 */