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- To allow an app to force a re-read of /etc/resolv.conf etc, pretty much
like the res_init() resolver function offers
- When built to support IPv6, it needs to also support PF_UNSPEC or similar,
so that an application can ask for any protocol and then c-ares would return
all known resolves and not just explicitly IPv4 _or_ IPv6 resolves.
- Upon next ABI breakage ares_process() should be changed to return 'int'
and return ARES_ENOTINITIALIZED if ares_library_init() has not been called.
- Upon next ABI breakage ares_process_fd() should be changed to return
'int' and return ARES_ENOTINITIALIZED if library has not been initialized.