K 10
svn:author
V 5
gavin
K 8
svn:date
V 27
2012-03-10T11:25:53.910965Z
K 7
svn:log
V 405
Move determination of socket buffer sizes from startup to the first time a
socket is used.  The previous code structure assumed that AF_INET sockets
were always available, which is an invalid assumption on IPv6-only systems.

This merges the fololowing revisions from NetBSD:
src/usr.bin/ftp/main.c 1.120
src/usr.bin/ftp/util.c 1.156

PR:		bin/162661
Tested by:	bz
Obtained from:	NetBSD
MFC after:	1 week

END