struct nk_context* nk_sdl_init(SDL_Surface *screen_surface);
void nk_sdl_handle_event(SDL_Event *evt);
void nk_sdl_render(struct nk_color clear);
void nk_sdl_shutdown(void);
struct nk_context* nk_sdl_init(SDL_Surface *screen_surface);
void nk_sdl_handle_event(SDL_Event *evt);
void nk_sdl_render(struct nk_color clear);
void nk_sdl_shutdown(void);