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                     23: .TH CURLOPT_SSH_KNOWNHOSTS 3 "May 31, 2017" "libcurl 7.70.0" "curl_easy_setopt options"
                     24: 
                     25: .SH NAME
                     26: CURLOPT_SSH_KNOWNHOSTS \- file name holding the SSH known hosts
                     27: .SH SYNOPSIS
                     28: #include <curl/curl.h>
                     29: 
                     30: CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSH_KNOWNHOSTS, char *fname);
                     31: .SH DESCRIPTION
                     32: Pass a pointer to a zero terminated string holding the file name of the
                     33: known_host file to use.  The known_hosts file should use the OpenSSH file
                     34: format as supported by libssh2. If this file is specified, libcurl will only
                     35: accept connections with hosts that are known and present in that file, with a
                     36: matching public key. Use \fICURLOPT_SSH_KEYFUNCTION(3)\fP to alter the default
                     37: behavior on host and key (mis)matching.
                     38: 
                     39: The application does not have to keep the string around after setting this
                     40: option.
                     41: .SH DEFAULT
                     42: NULL
                     43: .SH PROTOCOLS
                     44: SFTP and SCP
                     45: .SH EXAMPLE
                     46: .nf
                     47: CURL *curl = curl_easy_init();
                     48: if(curl) {
                     49:   curl_easy_setopt(curl, CURLOPT_URL, "sftp://example.com/file");
                     50:   curl_easy_setopt(curl, CURLOPT_SSH_KNOWNHOSTS,
                     51:                    "/home/clarkkent/.ssh/known_hosts");
                     52:   ret = curl_easy_perform(curl);
                     53:   curl_easy_cleanup(curl);
                     54: }
                     55: .fi
                     56: .SH AVAILABILITY
                     57: Added in 7.19.6
                     58: .SH RETURN VALUE
                     59: Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not, or
                     60: CURLE_OUT_OF_MEMORY if there was insufficient heap space.
                     61: .SH "SEE ALSO"
                     62: .BR CURLOPT_SSH_AUTH_TYPES "(3), " CURLOPT_SSH_HOST_PUBLIC_KEY_MD5 "(3), "