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23 .TH CURLOPT_PROXY_TRANSFER_MODE 3 "May 31, 2017" "libcurl 7.59.0" "curl_easy_setopt options"
26 CURLOPT_PROXY_TRANSFER_MODE \- append FTP transfer mode to URL for proxy
28 #include <curl/curl.h>
30 CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PROXY_TRANSFER_MODE, long enabled);
32 Pass a long. If the value is set to 1 (one), it tells libcurl to set the
33 transfer mode (binary or ASCII) for FTP transfers done via a HTTP proxy, by
34 appending ;type=a or ;type=i to the URL. Without this setting, or it being set
35 to 0 (zero, the default), \fICURLOPT_TRANSFERTEXT(3)\fP has no effect when
36 doing FTP via a proxy. Beware that not all proxies support this feature.
43 CURL *curl = curl_easy_init();
45 curl_easy_setopt(curl, CURLOPT_URL, "ftp://example.com/old-server/file.txt");
46 curl_easy_setopt(curl, CURLOPT_PROXY, "http://localhost:80");
47 curl_easy_setopt(curl, CURLOPT_PROXY_TRANSFER_MODE, 1L);
48 curl_easy_setopt(curl, CURLOPT_TRANSFERTEXT, 1L);
49 ret = curl_easy_perform(curl);
50 curl_easy_cleanup(curl);
56 Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if the
57 enabled value is not supported.
59 .BR CURLOPT_PROXY "(3), " CURLOPT_HTTPPROXYTUNNEL "(3), "