irs.h

[Paul Vixie]

> 	is it really necessary to:
> 	- install irs.h, fd_setsize.h and res_update.h into /usr/include

the way the bind8 library is segmented, these files go along with <netdb.h>.

> 	- making symbols like getservbyport_p to normal user
> 	they are internal to bind resolver, and struct net_data is not
> 	publically exported, i think it makes more sense to hide these symbols.

those symbols all seem perfectly hideable to me.  symbol auditing was clearly
incomplete in this area.

> 	i guess people will encounter problems in integrating BIND8 resolver
> 	into their product. (in fact, i'm having trouble in netbsd)

yes.