--- pgp/src/zinflate.c	2018/04/24 16:41:13	1.1.1.4
+++ pgp/src/zinflate.c	2018/04/24 16:45:42	1.1.1.6
@@ -133,6 +133,11 @@
 #include "exitpgp.h"
 #define OF __
 
+#ifdef MACTC5
+#include "Macutil3.h"
+void err(int c, char *msg);
+#endif
+
 #ifndef WSIZE
 #  define WSIZE 8192
 /* window size--must be a power of two, <= 32K, and equal to that of zip.
@@ -142,11 +147,10 @@
 #endif
 
 #ifdef DYN_ALLOC
-  extern char *window;
+  extern char *slide;
 #else
-  extern char window[];
+  extern char slide[];
 #endif
-#define slide window
 
 /* Huffman code lookup table entry--this entry is four bytes for machines
    that have 16-bit pointers (e.g. PC's in the small or medium model).
@@ -966,6 +970,9 @@ int inflate_entry()
       return r;
     if (hufts > h)
       h = hufts;
+#ifdef MACTC5
+	mac_poll_for_break();
+#endif
   } while (!e);
 
 
@@ -987,18 +994,18 @@ int inflate()
   int status;
 
 #ifdef DYN_ALLOC
-  window = (char*)  calloc((unsigned)WSIZE, 2*sizeof(char));
-    /* Note that inflate only needs WSIZE bytes, but the window
+  slide = (char*)  calloc((unsigned)WSIZE, 2*sizeof(char));
+    /* Note that inflate only needs WSIZE bytes, but the slide
      * array is shared with deflate, which needs 2*WISZE bytes.
      */
-  if (window==NULL) err(4, "");
+  if (slide==NULL) err(4, "");
 #endif
 
   status = inflate_entry();
 
 #ifdef DYN_ALLOC
-  free(window);
-  window = NULL;
+  free(slide);
+  slide = NULL;
 #endif
 
   return status;