Function Curl_cookie_init

* Curl_cookie_init() * * Inits a cookie struct to read data from a local file. This is always * called before any cookies are set. File may be NULL in which case only the * struct is initialized. Is file is "-" then STDIN is read. * * If 'newsession' is TRUE, discard all "session cookies" on read from file. * * Note that 'data' might be called as NULL pointer. If data is NULL, 'file' * wi