*/
#$d_endsent HAS_ENDSERVENT /**/
+/* HAS_FCHDIR:
+ * This symbol, if defined, indicates that the fchdir routine is
+ * available to change directory using a file descriptor.
+ */
+#$d_fchdir HAS_FCHDIR /**/
+
/* FCNTL_CAN_LOCK:
* This symbol, if defined, indicates that fcntl() can be used
* for file locking. Normally on Unix systems this is defined.
/* HAS_SAFE_BCOPY:
* This symbol, if defined, indicates that the bcopy routine is available
- * to copy potentially overlapping memory blocks. Otherwise you should
+ * to copy potentially overlapping memory blocks. Normally, you should
* probably use memmove() or memcpy(). If neither is defined, roll your
* own version.
*/
/* HAS_SAFE_MEMCPY:
* This symbol, if defined, indicates that the memcpy routine is available
- * to copy potentially overlapping memory blocks. Otherwise you should
- * probably use memmove() or memcpy(). If neither is defined, roll your
- * own version.
+ * to copy potentially overlapping memory blocks. If you need to
+ * copy overlapping memory blocks, you should check HAS_MEMMOVE and
+ * use memmove() instead, if available.
*/
#$d_safemcpy HAS_SAFE_MEMCPY /**/