CURLOPT_PREQUOTE - commands to run before an FTP transfer
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PREQUOTE,
struct curl_slist *cmds);
Pass a pointer to a linked list of FTP commands to pass to the server after the
transfer type is set. The linked list should be a fully valid list of struct
curl_slist structs properly filled in as described for
CURLOPT_QUOTE(3). Disable this operation again by setting a NULL to
These commands are not performed when a directory listing is
performed, only for file transfers.
While CURLOPT_QUOTE(3) and CURLOPT_POSTQUOTE(3) work
for SFTP, this option does not.
struct curl_slist *cmdlist = NULL;
cmdlist = curl_slist_append(cmdlist, "SYST");
curl = curl_easy_init();
curl_easy_setopt(curl, CURLOPT_URL, "ftp://example.com/foo.bin");
/* pass in the FTP commands to run */
curl_easy_setopt(curl, CURLOPT_PREQUOTE, cmdlist);
ret = curl_easy_perform(curl);
Along with the protocol support
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.