}
}
-/* Trims the size of 'b' to fit its actual content, reducing its tailroom to
- * 0. Its headroom, if any, is preserved.
+/* Trims the size of 'b' to fit its actual content, reducing its headroom and
+ * tailroom to 0, if any.
*
* Buffers not obtained from malloc() are not resized, since that wouldn't save
* any memory. */