On Wed, Jul 18, 2012 at 04:00:49PM -0400, Jim Rees wrote: > You could use something like: > > char tbuf[sizeof (unsigned long) * 24 / 10 + 1 + 2]; /* + 2 for final "\n\0" */ > > since there are roughly 10 bits for every 3 decimal digits. > > But I'm obviously confused, because I don't understand why tbuf needs to be > any more than 10 + 2. Unsigned long isn't necessarily 32 bits. On 64-bit systems %lu can be up to 18446744073709551615 Dave -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html