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                     23: .TH CURLOPT_FTP_USE_EPSV 3 "May 05, 2017" "libcurl 7.70.0" "curl_easy_setopt options"
                     24: 
                     25: .SH NAME
                     26: CURLOPT_FTP_USE_EPSV \- enable/disable use of EPSV
                     27: .SH SYNOPSIS
                     28: #include <curl/curl.h>
                     29: 
                     30: CURLcode curl_easy_setopt(CURL *handle, CURLOPT_FTP_USE_EPSV, long epsv);
                     31: .SH DESCRIPTION
                     32: Pass \fIepsv\fP as a long. If the value is 1, it tells curl to use the EPSV
                     33: command when doing passive FTP downloads (which it does by default). Using
                     34: EPSV means that it will first attempt to use EPSV before using PASV, but if
                     35: you pass zero to this option, it will not try using EPSV, only plain PASV.
                     36: 
                     37: If the server is an IPv6 host, this option will have no effect as of 7.12.3.
                     38: .SH DEFAULT
                     39: 1
                     40: .SH PROTOCOLS
                     41: FTP
                     42: .SH EXAMPLE
                     43: .nf
                     44: CURL *curl = curl_easy_init();
                     45: if(curl) {
                     46:   curl_easy_setopt(curl, CURLOPT_URL, "ftp://example.com/old-server/file.txt");
                     47: 
                     48:   /* let's shut off this modern feature */
                     49:   curl_easy_setopt(curl, CURLOPT_FTP_USE_EPSV, 0L);
                     50: 
                     51:   ret = curl_easy_perform(curl);
                     52: 
                     53:   curl_easy_cleanup(curl);
                     54: }
                     55: .fi
                     56: .SH AVAILABILITY
                     57: Along with FTP
                     58: .SH RETURN VALUE
                     59: Returns CURLE_OK if FTP is supported, and CURLE_UNKNOWN_OPTION if not.
                     60: .SH "SEE ALSO"
                     61: .BR CURLOPT_FTP_USE_EPRT "(3), " CURLOPT_FTPPORT "(3), "