CURLOPT_SSH_COMPRESSION(3)                            Library Functions Manual

NAME
       CURLOPT_SSH_COMPRESSION - enable SSH compression

SYNOPSIS
       #include <curl/curl.h>

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSH_COMPRESSION, long enable);

DESCRIPTION
       Pass a long as parameter set to 1L to enable or 0L to disable.

       Enables built-in SSH compression. This is a request, not an order; the
       server may or may not do it.

DEFAULT
       0, disabled

PROTOCOLS
       This functionality affects scp and sftp

EXAMPLE
       int main(void)
       {
         CURL *curl = curl_easy_init();
         if(curl) {
           CURLcode result;
           curl_easy_setopt(curl, CURLOPT_URL, "sftp://example.com");

           /* enable built-in compression */
           curl_easy_setopt(curl, CURLOPT_SSH_COMPRESSION, 1L);

           /* Perform the request */
           result = curl_easy_perform(curl);
           curl_easy_cleanup(curl);
         }
       }

AVAILABILITY
       Added in curl 7.56.0

RETURN VALUE
       curl_easy_setopt(3) returns a CURLcode indicating success or error.

       CURLE_OK (0) means everything was OK, non-zero means an error occurred,
       see libcurl-errors(3).

SEE ALSO
       CURLOPT_ACCEPT_ENCODING(3), CURLOPT_TRANSFER_ENCODING(3)

libcurl                           2026-09-02        CURLOPT_SSH_COMPRESSION(3)