#ifndef FL_RETURN_BUTTON_GUARD #define FL_RETURN_BUTTON_GUARD typedef void* RETURNBUTTON; extern "C" void return_button_set_draw_hook(RETURNBUTTON b, void * d); extern "C" void fl_return_button_draw(RETURNBUTTON b); extern "C" void return_button_set_handle_hook(RETURNBUTTON b, void * h); extern "C" int fl_return_button_handle(RETURNBUTTON b, int e); extern "C" RETURNBUTTON new_fl_return_button(int x, int y, int w, int h, char* label); extern "C" void free_fl_return_button(RETURNBUTTON b); #endif