1 #include <u.h> 2 #include <libc.h> 3 #include <draw.h> 4 5 static int 6 bad(void) 7 { 8 sysfatal("compiled with no window system support"); 9 return 0; 10 } 11 12 void 13 drawtopwindow(void) 14 { 15 bad(); 16 } 17 18 void 19 drawresizewindow(Rectangle r) 20 { 21 bad(); 22 }