resolv.conf parser: Avoid duplicating lengths in option parser
authorIan Jackson <ijackson@chiark.greenend.org.uk>
Fri, 24 Oct 2014 20:49:44 +0000 (21:49 +0100)
committerIan Jackson <ijackson@chiark.greenend.org.uk>
Sun, 26 Oct 2014 11:42:43 +0000 (11:42 +0000)
Replace a lot of things like `l>=5 && memcmp(word,"debug",5)'
with use of some new macros.

No functional change.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

No differences found