diff --git a/contrib/C_Layer/EXAMPLE/kmenu/kmenu_example.c b/contrib/C_Layer/EXAMPLE/kmenu/kmenu_example.c
index 0ab3f169f6..314ae884f3 100644
--- a/contrib/C_Layer/EXAMPLE/kmenu/kmenu_example.c
+++ b/contrib/C_Layer/EXAMPLE/kmenu/kmenu_example.c
@@ -1,5 +1,6 @@
 #include <stdlib.h>
 #include <string.h>
+#include <stdint.h>
 #include <kos32sys.h>
 #include <kolibri_gui.h>
 #include <kolibri_kmenu.h>
@@ -21,22 +22,22 @@ int main()
 
   kmenu_init(NULL);
 
-  void *sub_menu1 = ksubmenu_new();
+  ksubmenu_t *sub_menu1 = ksubmenu_new();
   ksubmenu_add(sub_menu1, kmenuitem_new(0, "Open", 101));
   ksubmenu_add(sub_menu1, kmenuitem_new(0, "Save", 102));
   ksubmenu_add(sub_menu1, kmenuitem_new(2, "", 0));
   ksubmenu_add(sub_menu1, kmenuitem_new(0, "Exit", 103));
 
-  void *sub_menu2 = ksubmenu_new();
+  ksubmenu_t *sub_menu2 = ksubmenu_new();
   ksubmenu_add(sub_menu2, kmenuitem_new(0, "Find", 201));
   ksubmenu_add(sub_menu2, kmenuitem_new(0, "Replace", 202));
 
-  void *sub_menu22 = ksubmenu_new();
+  ksubmenu_t *sub_menu22 = ksubmenu_new();
   ksubmenu_add(sub_menu22, kmenuitem_new(0, "cp1251", 211));
   ksubmenu_add(sub_menu22, kmenuitem_new(0, "UTF-8", 212));
   ksubmenu_add(sub_menu2, kmenuitem__submenu_new(1, "Encoding", sub_menu22));
 
-  void *main_menu = ksubmenu_new();
+  ksubmenu_t *main_menu = ksubmenu_new();
   ksubmenu_add(main_menu, kmenuitem__submenu_new(1, "File", sub_menu1));
   ksubmenu_add(main_menu, kmenuitem__submenu_new(1, "Edit", sub_menu2));
 
@@ -44,7 +45,7 @@ int main()
 
   do  /* Start of main activity loop */
     {
-      if(gui_event == KOLIBRI_EVENT_REDRAW)#include <string.h>
+      if(gui_event == KOLIBRI_EVENT_REDRAW)
 
 	{
 	  kolibri_handle_event_redraw(main_window);
diff --git a/contrib/C_Layer/INCLUDE/kolibri_kmenu.h b/contrib/C_Layer/INCLUDE/kolibri_kmenu.h
index 9283147cd5..a5c51d6518 100644
--- a/contrib/C_Layer/INCLUDE/kolibri_kmenu.h
+++ b/contrib/C_Layer/INCLUDE/kolibri_kmenu.h
@@ -13,14 +13,89 @@
 #define KMENU_LBORDER_SIZE 2
 #define KMENU_DBORDER_SIZE 1
 
+typedef struct {
+	int type;
+	uint32_t color;
+	union {
+		uint32_t bgcolor;
+		void *buffer;
+	};
+} t_font;
+
+typedef struct {
+	uint16_t left, top, right, bottom;
+} t_rect;
+
+typedef struct kmenuitem_t{
+	int type;
+	char *text;
+	union {
+		void *submenu;		
+		//kmenuitem_callback_t callback;
+		size_t btnid;
+	};
+	
+	void (*paint)(struct kmenuitem_t *item, t_rect *rc) __attribute__((__stdcall__));
+	
+	int is_focused;
+	int is_enabled;
+	int is_visible;
+	size_t style;
+
+	int font_width, font_height;
+	t_font font;
+	
+	size_t left, top;
+	size_t width, height, pref_width, pref_height;
+	size_t margin_left, margin_right, margin_top, margin_bottom;
+	size_t padding_left, padding_right, padding_top, padding_bottom;
+} kmenuitem_t;
+
+typedef struct ksubmenu_t{
+	kmenuitem_t **items;
+	int count;
+	
+	void (*paint)(struct ksubmenu_t *menu) __attribute__((__stdcall__));
+	
+	int is_opened;
+	int focus_idx;
+	
+	size_t width, height;
+	size_t left, top;
+	int tid;
+	int parent_wnd, parent_tid, submenu_tid, self_wnd;
+	int level;
+	size_t return_btnid;
+	
+	int set_new_padding, set_new_margin;
+	t_rect items_padding;
+	t_rect items_margin;
+	
+	struct ksubmenu_t *parent;
+} ksubmenu_t;
+
+typedef struct {
+	kmenuitem_t **submenu;
+	int count;
+	
+	size_t width, height;
+	size_t left, top;
+	
+	int line_height;
+	
+	int focus_idx;
+	int submenu_tid;
+} kmenu_t;
+
+
 extern int kolibri_kmenu_init(void); 
 
-extern void (*kmainmenu_draw)(void *) __attribute__((__stdcall__));
-extern void (*kmainmenu_dispatch_cursorevent)(void *) __attribute__((__stdcall__));
+extern void (*kmainmenu_draw)(ksubmenu_t *) __attribute__((__stdcall__));
+extern void (*kmainmenu_dispatch_cursorevent)(ksubmenu_t *) __attribute__((__stdcall__));
 extern void (*kmenu_init)(void *) __attribute__((__stdcall__));
-extern void* (*ksubmenu_new)() __attribute__((__stdcall__));
-extern void (*ksubmenu_add)(void *, void *) __attribute__((__stdcall__));
-extern void* (*kmenuitem_new)(uint32_t, const char *, uint32_t) __attribute__((__stdcall__));
-extern void* (*kmenuitem__submenu_new)(uint32_t, const char *, void *) __attribute__((__stdcall__));
+extern ksubmenu_t* (*ksubmenu_new)() __attribute__((__stdcall__));
+extern void (*ksubmenu_add)(ksubmenu_t *, kmenuitem_t *) __attribute__((__stdcall__));
+extern kmenuitem_t* (*kmenuitem_new)(uint32_t, const char *, uint32_t) __attribute__((__stdcall__));
+extern kmenuitem_t* (*kmenuitem__submenu_new)(uint32_t, const char *, ksubmenu_t *) __attribute__((__stdcall__));
 
 #endif /* KOLIBRI_KMENU_H */