Since we don't use getopt_long() nothing outside the getopt()
implementation itself uses this structure, so move it into the
source to remove it from visibility and clashes with libc's
ok dtucker@
rename getopt() to BSDgetopt() to keep form conflicting with
system getopt().
[Makefile.in configure.in] disable filepriv until I can add
missing procpriv calls.
Damien Miller
Darren Tucker
Ben Lindstrom
Tim Rice
Kevin Steves