+devices/render.$(O): devices/render.c devices/render.h
+ $(C) devices/render.c -o devices/render.$(O)
+devices/opengl.$(O): devices/opengl.c devices/opengl.h
+ $(C) devices/opengl.c -o devices/opengl.$(O)
+devices/arts.$(O): devices/arts.c devices/arts.h
+ $(C) devices/arts.c -o devices/arts.$(O)