--- OLD/xc/lib/Xmu/GetHost.c	Thu Jan  1 00:00:00 1970
+++ NEW/xc/lib/Xmu/GetHost.c	Thu Jan  1 00:00:00 1970
@@ -28,6 +28,8 @@
  * _XGetHostname - similar to gethostname but allows special processing.
  */
 
+#include <strings.h>
+
 #ifdef WIN32
 #include <X11/Xwinsock.h>
 #endif