Module Name:	sharesrc
Committed By:	itojun
Date:		Wed Aug  9 14:41:08 UTC 2000

Modified Files:
	basesrc/include: resolv.h
	basesrc/include/arpa: nameser.h
	basesrc/lib/libc/net: getaddrinfo.c res_debug.c res_init.c
	    res_mkquery.c res_query.c resolver.3
	sharesrc/share/man/man5: resolv.conf.5

Log Message:
implement EDNS0 support, as EDNS0 support will be made mandatory for
IPv6 transport-ready resolvers/DNS servers.  need careful configuration
when enable it. (default config is not affected).
see manpage for details.

XXX visible symbol __res_opt() is added, however, it is not supposed to be
called from outside, libc minor is not bumped.


To generate a diff of this commit:
cvs rdiff -r1.18 -r1.19 basesrc/include/resolv.h
cvs rdiff -r1.13 -r1.14 basesrc/include/arpa/nameser.h
cvs rdiff -r1.46 -r1.47 basesrc/lib/libc/net/getaddrinfo.c
cvs rdiff -r1.28 -r1.29 basesrc/lib/libc/net/res_debug.c
cvs rdiff -r1.35 -r1.36 basesrc/lib/libc/net/res_init.c
cvs rdiff -r1.19 -r1.20 basesrc/lib/libc/net/res_mkquery.c
cvs rdiff -r1.30 -r1.31 basesrc/lib/libc/net/res_query.c
cvs rdiff -r1.12 -r1.13 basesrc/lib/libc/net/resolver.3
cvs rdiff -r1.16 -r1.17 sharesrc/share/man/man5/resolv.conf.5

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.