diff --git a/swilib/include/swilib/file.h b/swilib/include/swilib/file.h
index 9d57518f..1f7715c6 100644
--- a/swilib/include/swilib/file.h
+++ b/swilib/include/swilib/file.h
@@ -258,6 +258,13 @@ __swi_begin(0x010)
 int sys_mkdir(const char *dirname, uint32_t *err)
 __swi_end(0x010, sys_mkdir, (dirname, err));
 
+/**
+ * @copydoc sys_mkdir
+ * */
+__swi_begin(0x3B7)
+int sys_mkdir_ws(const WSHDR *dirname, uint32_t *err)
+__swi_end(0x3B7, sys_mkdir_ws, (dirname, err));
+
 /**
  * Remove directory.
  * @param dirname		path to the directory
@@ -361,6 +368,13 @@ __swi_begin(0x091)
 int isdir(const char *path, uint32_t *err)
 __swi_end(0x091, isdir, (path, err));
 
+/**
+ * @copydoc isdir
+ * */
+__swi_begin(0x3BC)
+int isdir_ws(const WSHDR *path, uint32_t *err)
+__swi_end(0x3BC, isdir_ws, (path, err));
+
 /**
  * Check if a file or directory exists.
  * @param path			path to the file or directory
diff --git a/swilib/include/swilib/ui.h b/swilib/include/swilib/ui.h
index 85c7a9e8..16e4e2c0 100644
--- a/swilib/include/swilib/ui.h
+++ b/swilib/include/swilib/ui.h
@@ -608,6 +608,16 @@ __swi_begin(0x050)
 int MsgBoxOkCancel(int flags, int message, void (*callback)(int canceled))
 __swi_end(0x050, MsgBoxOkCancel, (flags, message, callback));
 
+/**
+ * Show wait popup.
+ * @param flags
+ * @param message		id from the langpack or pointer to the C-string
+ * @return GUI_ID
+ * */
+__swi_begin(0x3C0)
+int ShowWaitBox(int flags, int message)
+__swi_end(0x3C0, ShowWaitBox, (flags, message));
+
 /**
  * Create custom Popup.
  * @param flags				see #PopupDialogFlags