changed the behaviour of get_addr_name:
- resolve to a name if the address supports it
- call address_to_str if it does not, but the address is valid
- return "NONE" if it is AT_NONE
svn path=/trunk/; revision=13463
dissectors using the address resolution routines need to know about the
"address" structure, so not all of them would include <epan/address.h>
themselves.
svn path=/trunk/; revision=12978
to resolve it to a name.
Fix up some const-pointer-to-non-const-pointer, and
function-pointer-to-void-*, conversions.
Fix some comments.
svn path=/trunk/; revision=12863
include of <resolv.h> in any system header file gets the system
<resolv.h> (needed for builds on Tru64 with GTK+ 1.2[.x]).
svn path=/trunk/; revision=11615