- * stored and free'ed by the caller. If end is null '\n' isn't considered
- * end of line. If end isn't null, length of the chunk read is stored in it. */
+ * stored and free'ed by the caller. If end is NULL '\n' isn't considered
+ * end of line. If end isn't NULL, length of the chunk read is stored in it.
+ * Return NULL if EOF/error */