Single thread + inputs

src/input.h

@@ -0,0 +1,16 @@
+#ifndef __INPUT_H__
+#define __INPUT_H__
+
+#include <SDL2/SDL_scancode.h>
+
+typedef void(*keyEvent_t)(void);
+
+//renderer facing
+void input_init(void);
+void input_poll(SDL_Scancode);
+
+//user facing
+void input_listen(SDL_Scancode code, keyEvent_t);
+void input_removeListener(SDL_Scancode code, keyEvent_t handler);
+
+#endif