+/* "The brk and sbrk functions are historical curiosities left over
+ from earlier days before the advent of virtual memory management."
+ -- sbrk(2) man page on BSD systems, as of 1995 or so.
+ */
+#ifdef HAVE_SBRK
+# if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 2)) /* gcc >= 4.2 */
+ /* Don't print "warning: 'sbrk' is deprecated". */
+# pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+# endif
+#endif
+
+