autoconf checks:
	- HAVE_FTP_NAMES if FTP_NAMES et al in <arpa/ftp.h>
	- prototype crypt() and getusershell() if prototype missing
	- replace getopt() if optreset (bsd) or getoptreset() (irix)
	  is not available?

add NEWS

enable utmp stuff (need to make it portable)

enable wtmp stuff (need to make it portable)

add getenv(3) to replace putenv(3) cruft?

fix internalls (actually fts) on IRIX

barf if neither flock() nor lockf() is available
