Check that the hints structure is not NULL before accessing its members
Set AI_NUMERICHOST flag when calling getaddrinfo() to supress further host address lookups
Added support for AI_CANONNAME flag
Removed debug header
Updated makefile
Make getaddrinfo() return values match the glibc implementation
Remove useless dlerror() checks
Code clarification
Merge branch 'master' of https://github.com/ivoronin/unbify