--- zip.h.orig	2023-11-17 16:21:50.363864777 +0000
+++ zip.h	2023-11-17 16:26:04.675858368 +0000
@@ -313,6 +313,11 @@
   Write data in the zipfile
 */
 
+extern int ZEXPORT zipFlush (zipFile file);
+/*
+  Flush the zipfile output
+*/
+
 extern int ZEXPORT zipCloseFileInZip(zipFile file);
 /*
   Close the current file in the zipfile