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Project Summary

libasyncns is a C library for Linux/Unix for executing name service queries asynchronously. It is an asynchronous wrapper around getaddrinfo(3), getnameinfo(3), res_query(3) and res_search(3) from libc and libresolv.

In contrast to GNU's asynchronous name resolving API getaddrinfo_a(), libasyncns does not make use of UNIX signals for reporting completion of name queries. Instead, the API exports a standard UNIX file descriptor which may be integerated cleanly into custom main loops.

In contrast to asynchronous DNS resolving libraries like libdenise, skadns, adns, libasyncns is just an asynchronous wrapper around the libc's synchronous getaddrinfo() API, which has the advantage of allowing name resolution using techniques like Multicast DNS, LDAP or NIS using standard libc NSS (Name Service Switch) modules. libasyncns is compatible with IPv6 if the underlying libc is.

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asynchronous library naming nss nsswitch

In a Nutshell, libasyncns...

GNU Library or "Lesser" GPL (LGPL)
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These details are provided for information only. No information here is legal advice and should not be used as such.

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30 Day Summary

Jan 20 2018 — Feb 19 2018

12 Month Summary

Feb 19 2017 — Feb 19 2018

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