ref: da7d6df6faf18e289fe0f3f61524dcc7fddeef18
dir: /include/drawif.h/
extern Font* checkfont(Draw_Font*); extern Image* checkimage(Draw_Image*); extern Screen* checkscreen(Draw_Screen*); extern Display* checkdisplay(Draw_Display*); extern void freedrawdisplay(Heap*, int); extern void freedrawfont(Heap*, int); extern void freedrawimage(Heap*, int); extern void freedrawscreen(Heap*, int); extern Font* lookupfont(Draw_Font*); extern Image* lookupimage(Draw_Image*); extern Screen* lookupscreen(Draw_Screen*); extern Draw_Image* mkdrawimage(Image*, Draw_Screen*, Draw_Display*, void*);