.\" generated by cd2nroff 0.1 from CURLOPT_SSH_COMPRESSION.md .TH CURLOPT_SSH_COMPRESSION 3 "2025-07-07" libcurl .SH NAME CURLOPT_SSH_COMPRESSION \- enable SSH compression .SH SYNOPSIS .nf #include CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSH_COMPRESSION, long enable); .fi .SH 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. .SH DEFAULT 0, disabled .SH PROTOCOLS This functionality affects scp and sftp .SH EXAMPLE .nf int main(void) { CURL *curl = curl_easy_init(); if(curl) { curl_easy_setopt(curl, CURLOPT_URL, "sftp://example.com"); /* enable built-in compression */ curl_easy_setopt(curl, CURLOPT_SSH_COMPRESSION, 1L); /* Perform the request */ curl_easy_perform(curl); } } .fi .SH AVAILABILITY Added in curl 7.56.0 .SH RETURN VALUE \fIcurl_easy_setopt(3)\fP returns a CURLcode indicating success or error. CURLE_OK (0) means everything was OK, non\-zero means an error occurred, see \fIlibcurl\-errors(3)\fP. .SH SEE ALSO .BR CURLOPT_ACCEPT_ENCODING (3), .BR CURLOPT_TRANSFER_ENCODING (3)