Drop unused variables.

Turn off -x.

handles different strings.

reduce symbol dependencies between files and therefore make it easier
to write unit tests.  The diff is large, but the actual code changes
are pretty small.

many places with a redirector to stderr.  If you just want to test a
particular routine you can link to this rather than the whole framework.

reduce symbol dependencies between files and therefore make it easier
to write unit tests.  The diff is large, but the actual code changes
are pretty small.

converted to the test suite.  Thankyou!

It fails at the moment; I don't know if that's a test bug or an rsync bug.

getaddrinfo on Tru64.

Also configure.in test for mkfifo and sys/un.h, although we don't
actually use that yet.

int first -- a stopgap for compilers that reasonably complain about a
ternary that returns either a size_t or an int.

Really we should not write an int, but rather a larger type.  Somebody
more familiar with the batch code should look at it.