check for and use getprotobyname 
diff --git a/RELEASE-NOTES b/RELEASE-NOTES index a8bb550..8586485 100644 --- a/RELEASE-NOTES +++ b/RELEASE-NOTES 
@@ -24,5 +24,6 @@  This release would not have looked like this without help, code, reports and  advice from friends like these:   -  + Gisle Vanem +  Thanks! (and sorry if I forgot to mention someone)