--- global.h.~1~	Fri Mar 25 12:01:46 1994
+++ global.h	Thu Apr  2 00:12:23 1998
@@ -7,6 +7,8 @@
 #ifndef _GLOBAL_H_
 #define _GLOBAL_H_ 1
 
+#include <limits.h>
+
 /* PROTOTYPES should be set to one if and only if the compiler supports
      function argument prototyping.
    The following makes PROTOTYPES default to 1 if it has not already been
@@ -23,7 +25,13 @@
 typedef unsigned short int UINT2;
 
 /* UINT4 defines a four byte word */
+#if ( UINT_MAX == 0xffffffffU )
+typedef unsigned int UINT4;
+#elif ( ULONG_MAX == 0xffffffffU )
 typedef unsigned long int UINT4;
+#else
+# error Unknown size for UINT4
+#endif
 
 #ifndef NULL_PTR
 #define NULL_PTR ((POINTER)0)