Improve hex_dump().
[pintos-anon] / src / lib / stdio.c
2004-09-20 Ben PfaffImprove hex_dump().
2004-09-11 Ben PfaffDo console locking.
2004-09-11 Ben PfaffFormat null pointers as 0x0.
2004-09-06 Ben PfaffRename printk() to printf().