diff --git a/programs/develop/ktcc/trunk/libc.obj/include/clayer/libimg.h b/programs/develop/ktcc/trunk/libc.obj/include/clayer/libimg.h
index f8a8c4de6a..71df4a420d 100644
--- a/programs/develop/ktcc/trunk/libc.obj/include/clayer/libimg.h
+++ b/programs/develop/ktcc/trunk/libc.obj/include/clayer/libimg.h
@@ -115,7 +115,7 @@ DLLAPI Image* __stdcall img_convert(Image *src, Image *dst, uint32_t dst_type, u
 DLLAPI Image* __stdcall img_resize_data(Image *src, uint32_t width, uint32_t height);
 DLLAPI Image* __stdcall img_scale(Image* src, uint32_t crop_x, uint32_t crop_y, uint32_t crop_width, uint32_t crop_height, Image* dst, uint32_t scale_type, uint32_t inter, uint32_t new_width, uint32_t new_height);
 
-void img_fill_color(Image* img, uint32_t width, uint32_t height, uint32_t color){
+static void img_fill_color(Image* img, uint32_t width, uint32_t height, uint32_t color){
     for (uint32_t i = 0; i < width*height; i++) {
         img->Data[i] = color;
     }
diff --git a/programs/develop/ktcc/trunk/libc.obj/include/sys/ksys.h b/programs/develop/ktcc/trunk/libc.obj/include/sys/ksys.h
index 8fa44cfbfd..28971fc38b 100644
--- a/programs/develop/ktcc/trunk/libc.obj/include/sys/ksys.h
+++ b/programs/develop/ktcc/trunk/libc.obj/include/sys/ksys.h
@@ -201,6 +201,19 @@ typedef union {
     };
 } ksys_signal_info_t;
 
+typedef struct {
+    int32_t dst_x;
+    int32_t dst_y;
+    uint32_t dst_w;
+    uint32_t dst_h;
+    int32_t src_x;
+    int32_t src_y;
+    uint32_t src_w;
+    uint32_t src_h;
+    uint32_t depth;
+    uint32_t pitch;
+} ksys_blitter_params_t;
+
 #pragma pack(pop)
 
 typedef rgb_t ksys_bitmap_t;
@@ -1615,6 +1628,19 @@ KOSAPI void _ksys_set_window_title(const char* title)
 
 #define _ksys_clear_window_title() _ksys_set_window_title(NULL)
 
+/*============= Function 73 - blitter =============*/
+
+KOSAPI void _ksys_blitter(uint32_t flags, ksys_blitter_params_t *params)
+{
+    int res;
+    asm_inline(
+        "int $0x40"
+        : "=a"(res)
+        : "a"(73), "b"(flags), "c"(params)
+        : "memory");
+    (void)res;
+}
+
 /*============= Function 77, subfunction 0 - create futex object =============*/
 
 KOSAPI uint32_t _ksys_futex_create(int* futex_ctrl)