--- adsuck.c.orig	Tue Dec 11 17:37:04 2012
+++ adsuck.c	Fri Jan 16 22:56:31 2015
@@ -14,6 +14,8 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#include <limits.h>
+#include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>