diff --git a/include/apple2.h b/include/apple2.h
index cd7199e..03a2460 100644
--- a/include/apple2.h
+++ b/include/apple2.h
@@ -88,14 +88,14 @@ typedef struct {
 } apple2;
 
 extern apple2 *apple2_create(int, int);
+extern bool apple2_is_double_video(apple2 *);
+extern int apple2_boot(apple2 *);
+extern void apple2_clear_strobe(apple2 *);
 extern void apple2_free(apple2 *);
 extern void apple2_press_key(apple2 *, vm_8bit);
-extern void apple2_clear_strobe(apple2 *);
 extern void apple2_release_key(apple2 *);
-extern int apple2_boot(apple2 *);
 extern void apple2_run_loop(apple2 *);
 extern void apple2_set_color(apple2 *, int);
 extern void apple2_set_video(apple2 *, int);
-extern bool apple2_is_double_video(apple2 *);
 
 #endif