as then we include the memdebug.h header from the lib dir, and it then
requires this type... (fails on IRIX 6.5 without this)

about it shadowing the function sin()

added prototypes for the strcasecmp() functions

that assume them to be unsigned. Stops compiler warnings.

warnings

support --enable-debug to switch on picky compiler options

and the original ares installed in the same lib dir.

response reading function

make this better on more systems.

utility

be backwards compatible with older libcurls just fine.

NOTE that this breaks ares-compatibility, we have now officially taken the
turn into the c-ares path. We will now officially depend on c-ares for asynch
name resolves.

This breaks the API and ABI with the existing ares library. We hereby require
the upcoming c-ares 1.0 for asynch name resolves!