--- config.c~	Thu Oct 28 17:37:46 1993
+++ config.c	Tue Jun  9 01:51:08 1998
@@ -9,8 +9,8 @@
  */
 
 #include "copyright.h"
-#include <ctype.h> /* must here for debugging version under AIX */
 #include "xloadimage.h"
+#undef X_NOT_STDC_ENV
 #include <X11/Xos.h>
 #include <sys/stat.h>
 #ifndef VMS
