diff -r 8722a668fb2a -r 7db4dbf4e6f9 libidav/webdav.h
--- a/libidav/webdav.h	Fri Sep 22 20:42:33 2017 +0200
+++ b/libidav/webdav.h	Sat Sep 23 11:45:03 2017 +0200
@@ -242,6 +242,7 @@
 int dav_moveto(DavResource *res, char *url, DavBool override);
 
 int dav_lock(DavResource *res);
+int dav_lock_t(DavResource *res, time_t timeout);
 int dav_unlock(DavResource *res);
 
 char* dav_get_property(DavResource *res, char *name);