#ifndef FLTK_GUARD #define FLTK_GUARD 1 #include "FL/Fl.H" #include "FL/Fl_Window.H" #include "FL/Fl_Button.H" #include "FL/Fl_Input.H" #include "FL/Fl_Output.H" #include "FL/Fl_Multiline_Output.H" #include // for exit(0) #include "FL/fl_draw.H" #include "FL/Enumerations.H" #include "FL/Fl_JPEG_Image.H" #include "FL/Fl_GIF_Image.H" #endif