--- Libc/Libc-583/stdlib/FreeBSD/heapsort.c
+++ Libc/Libc-1669.40.2/stdlib/FreeBSD/heapsort.c
@@ -29,6 +29,9 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
+
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wstrict-prototypes"
 
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)heapsort.c	8.1 (Berkeley) 6/4/93";
@@ -179,3 +182,4 @@
 	free(k);
 	return (0);
 }
+#pragma clang diagnostic pop