J.Random 4.3BSD kstailey@wombat.gnu.ai.mit.edu$ a.out Offset: 20; Errno: 0 Offset: 10; Errno: 0 Offset: 0; Errno: 0 Offset: -10; Errno: 0 Offset: 1005568; Errno: 0 Offset: 1005558; Errno: 0 seems to be a pattern developing here...