diff -ur ncftp-3.2.6/sh_util/gpshare.c ncftp-3.2.6+iPhone/sh_util/gpshare.c
--- ncftp-3.2.6/sh_util/gpshare.c	2016-11-12 13:53:39.000000000 -1000
+++ ncftp-3.2.6+iPhone/sh_util/gpshare.c	2018-08-17 12:09:15.000000000 -1000
@@ -28,7 +28,7 @@
 
 static int gIsAtty1 = 1, gIsAtty2 = 1;
 extern int gLoadedBm, gBookmarkMatchMode;
-Bookmark gBm;
+extern Bookmark gBm;
 
 double
 FileSize(double size, const char **uStr0, double *uMult0)