resolver.3: RES_USEBSTRING was removed in glibc 2.25

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2017-01-14 07:01:00 +13:00
parent 17d9e0033f
commit ee5fa04005
1 changed files with 4 additions and 1 deletions

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@ -351,9 +351,12 @@ Send each query simultaneously and recursively to all servers.
Note this option overrides
.BR RES_ROTATE .
.TP
.BR RES_USEBSTRING " (since glibc 2.3.4)"
.BR RES_USEBSTRING " (glibc 2.3.4 to 2.24)"
Make reverse IPv6 lookups using the bit-label format described in RFC 2673;
if this option is not set (which is the default), then nibble format is used.
This option was removed in glibc 2.25,
since it relied on a backward-incompatible
DNS extension that was never deployed on the Internet.
.TP
.BR RES_NOIP6DOTINT " (glibc 2.24 and earlier)"
Use