the client should exit upon receiving one and not be surprised that
the socket closes.

must be an int, not a char.  This could cause sign-extension problems.

Correction from Nelson Beebe: argument to functions such as isspace()
must be an int, not a char.  This could cause sign-extension problems.

must be an int, not a char.  This could cause sign-extension problems.

Try symlinks with an empty target

Show io phase name in error message.

use div/mod.

transferred".

I don't generally like changing that sort of thing, but I think this
one was a persistent source of confusion.

most frequently-used ones in here.

Nelson Beebe pointed out that the information about bug tracking was
out of date.

CPU on a local transfer, without achieving anything useful.

if we have not matched!

Drop unused variables.