libc-ares-dev 1.6.0-2 (ia64 binary) in ubuntu karmic

 c-ares is a C library that performs DNS requests
 and name resolves asynchronously.
 .
 c-ares is a fork of the library named 'ares'
 .
 additionally it features
  * IPv6 support
  * Extended cross platform portability
  * 64bit cleaned sources
 .
 This package contains development files (headers and static libraries).