libasr: libasr (ASyncronous Resolver library) libasr: libasr: libasr is asynchronous resolver library which can be used libasr: in place of the resolver functions of libc when blocking is libasr: not desirable. libasr: libasr: https://github.com/OpenSMTPD/libasr libasr: libasr: libasr: libasr: