just a warning in the verbose output stream
file format. If you set the file name to a single dash, "-", the cookies will
be written to stdout. (Option added in curl 7.9)
+.B NOTE
+If the cookie jar can't be created or written to, the whole curl operation
+won't fail or even report an error clearly. Using -v will get a warning
+displayed, but that is the only visible feedback you get about this possibly
+lethal situation.
+
If this option is used several times, the last specfied file name will be
used.
.IP "-C/--continue-at <offset>"
instead have the cookies written to stdout. Using this option also enables
cookies for this session, so if you for example follow a location it will make
matching cookies get sent accordingly. (Added in 7.9)
+
+.B NOTE
+If the cookie jar file can't be created or written to (when the
+curl_easy_cleanup() is called), libcurl will not and cannot report an error
+for this. Using CURLOPT_VERBOSE or CURLOPT_DEBUGFUNCTION will get a warning to
+display, but that is the only visible feedback you get about this possibly
+lethal situation.
.TP
.B CURLOPT_TIMECONDITION
Pass a long as parameter. This defines how the CURLOPT_TIMEVALUE time value is