--- pgp/src/ztrees.c	2018/04/24 16:41:23	1.1.1.4
+++ pgp/src/ztrees.c	2018/04/24 16:45:52	1.1.1.6
@@ -413,8 +413,13 @@ void ct_init(attr, Method)
 void ct_free()
 {
 #ifdef DYN_ALLOC
+#ifndef __TURBOC__          /*EWS*/
 	fcfree(d_buf);
 	fcfree(l_buf);
+#else
+        free(d_buf);
+        free(l_buf);
+#endif
 	d_buf = NULL;
 	l_buf = NULL;
 #endif
@@ -966,11 +971,11 @@ ulg flush_block(buf, stored_len, eof)
 #ifndef ZIP
         /* Wipe out sensitive data for pgp */
 # ifdef DYN_ALLOC
-        extern uch *window;
+        extern uch *slide;
 # else
-        extern uch window[];
+        extern uch slide[];
 # endif
-        memset(window, 0, (unsigned)(2*WSIZE-1)); /* -1 needed if WSIZE=32K */
+        memset(slide, 0, (unsigned)(2*WSIZE-1)); /* -1 needed if WSIZE=32K */
 #endif /* ZIP */
 
 #if 0