will be overwritten by subsequent calls; suggested by pjanzen, ok millert

of getopt() to char variables instead of int lose on arches where char is
unsigned by default.
Clean the example by not pasting parts of <unistd.h> into it, and by not
using atoi(3).

millert@ ok

clobbered by longjmp / vfork instead of the gcc "(void)&foo;" hack.

fail anyway so check for that.  Also convert "." to "" since that
way we avoid the lstat() (which we don't need) and the subsequent
chdir() and some dir checks.

OK deraadt@

is called.

on OpenBSD.

to such, permitting them to be discovered, instead of exploited as the ssh
crc insertion detector was.  Idea by theo, written by tdeval.

ftp://ftp.rsasecurity.com/pub/cryptobytes/crypto3n2.pdf, ok deraadt@

jakob@ ok

ok jason@

be a single digit. Powered by mantoya@.
millert@ ok.