#include #include "raster.h" Point where[] = { 160, 100, 480, 100, 160, 300, 480, 300 }; main() { register i, j; dispinit(); for (i=1; i<10; i++) { circle(&Dblock, where[0].x, where[0].y, i*10, F_STORE); circle(&Dblock, where[1].x, where[1].y, i*10, F_XOR); disc (&Dblock, where[2].x, where[2].y, i*10 + 3, F_XOR); circle(&Dblock, where[2].x, where[2].y, i*10, F_CLR); } }