until the pointers are set to another value

ConnectBits where the other bools already are

AGGRESIVE_TEST is also defined, as an addition to MALLOCDEBUG. It doesn't
work for multi interface usage and should only be used with careful
consideration.

should be removed soonish.

size of the uploaded file is unknown.

CURLOPT_CONNECTTIMEOUT was used and provided a fix.

debug wasn't enabled

counter so that the caller needs to decrease that counter when done with
the returned data.

If compiled with MALLOCDEBUG I've added some extra checking that the counter
is decreased before a handle is closed etc.

memory. Avery Fay brought the example code that proved this.

strnequal() when the third argument was strlen(first argument) anyway.
This makes it less prone to errors. (Slightly edited by me)

--cacert option is not used.

1. An environment variable named CURL_CA_BUNDLE may contain the full file
name to the file.

2. On Windows, the cert file may be named curl-ca-bundle.crt and put in the
same dir as curl is located (or the CWD) and curl will then use that file
instead.

USE_SSLEAY variable

too, as Emiliano Ida has confirmed it to work