1 files changed, 13 insertions, 5 deletions

diff --git a/app/include/gfx/app.h b/app/include/gfx/app.h
index ffff4bc..3843d92 100644
--- a/app/include/gfx/app.h
+++ b/app/include/gfx/app.h
@@ -60,6 +60,10 @@ typedef enum Key {
   KeyZ,
 } Key;
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /// Create a window with an OpenGL context and run the main loop.
 bool gfx_app_run(const GfxAppDesc*, const GfxAppCallbacks*);
 
@@ -69,6 +73,10 @@ void gfx_app_get_mouse_position(double* x, double* y);
 /// Return true if the given key is pressed.
 bool gfx_is_key_pressed(Key);
 
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
 /// Define a main function that initializes and puts the application in a loop.
 /// See also: gfx_app_run().
 #define GFX_APP_MAIN(WIDTH, HEIGHT, MAX_FPS, TITLE)                         \
@@ -86,10 +94,10 @@ bool gfx_is_key_pressed(Key);
             .app_state         = &app_state,                                \
         },                                                                  \
         &(GfxAppCallbacks){                                                 \
-            .init     = (GfxAppInit)app_init,                               \
-            .update   = (GfxAppUpdate)app_update,                           \
-            .render   = (GfxAppRender)app_render,                           \
-            .resize   = (GfxAppResize)app_resize,                           \
-            .shutdown = (GfxAppShutdown)app_end});                          \
+            .init     = (GfxAppInit)Init,                                   \
+            .shutdown = (GfxAppShutdown)Shutdown,                           \
+            .update   = (GfxAppUpdate)Update,                               \
+            .render   = (GfxAppRender)Render,                               \
+            .resize   = (GfxAppResize)Resize});                               \
     return 0;                                                               \
   }