6 - When built to support IPv6, it needs to also support PF_UNSPEC or similar,
7 so that an application can ask for any protocol and then c-ares would return
8 all known resolves and not just explicitly IPv4 _or_ IPv6 resolves.
12 - Upon next ABI breakage ares_process() should be changed to return 'int'
13 and return ARES_ENOTINITIALIZED if ares_library_init() has not been called.
17 - Upon next ABI breakage ares_process_fd() should be changed to return
18 'int' and return ARES_ENOTINITIALIZED if library has not been initialized.