function fails and it returns NULL

memory.h is included everywhere for this.

and then figure it out with a suitable windows call.

an error code, we now make curl_easy_init fail and return NULL.

machines.

need it.

 return CURLE_OK no matter what happens.

way for emacs, and vim users should provide a similar non-polluting style

previously, if you called curl_easy_perform and then set the global dns
cache, the global cache wouldn't be used.  I don't see this really happening
in practice, but this code allows you to do it.

for freeing single dns cache entries

used for "exported" globals.

    - Use a global dns cache (via setting the tentatively named,
    CURLOPT_DNS_USE_GLOBAL_CACHE option to true)
    - Use a per-handle dns cache, by default
    - Use a pooled dns cache when in the "multi" interface

- patch by T. Bharath

function

be posted in a minute to the libcurl list.

with the more appropriate 'struct UrlData *' instead.