1CURLOPT_FTP_ALTERNATIVE_TO_UcSuErRl(_3e)asy_setopt oCpUtRiLoOnPsT_FTP_ALTERNATIVE_TO_USER(3)
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NAME

6       CURLOPT_FTP_ALTERNATIVE_TO_USER  -  command to use instead of USER with
7       FTP
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SYNOPSIS

10       #include <curl/curl.h>
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12       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_FTP_ALTERNATIVE_TO_USER,
13                                 char *cmd);
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DESCRIPTION

16       Pass a char * as parameter, pointing to a string which will be used  to
17       authenticate  if the usual FTP "USER user" and "PASS password" negotia‐
18       tion fails. This is currently only known to be required when connecting
19       to  Tumbleweed's Secure Transport FTPS server using client certificates
20       for authentication.
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22       The application does not have to keep the string around  after  setting
23       this option.
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DEFAULT

26       NULL
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PROTOCOLS

29       FTP
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EXAMPLE

32       CURL *curl = curl_easy_init();
33       if(curl) {
34         curl_easy_setopt(curl, CURLOPT_URL, "ftp://example.com/foo.bin");
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36         curl_easy_setopt(curl, CURLOPT_FTP_ALTERNATIVE_TO_USER, "two users");
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38         ret = curl_easy_perform(curl);
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40         curl_easy_cleanup(curl);
41       }
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AVAILABILITY

44       Added in 7.15.5
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RETURN VALUE

47       Returns  CURLE_OK  if  the option is supported, CURLE_UNKNOWN_OPTION if
48       not, or CURLE_OUT_OF_MEMORY if there was insufficient heap space.
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SEE ALSO

51       CURLOPT_FTP_SKIP_PASV_IP(3), CURLOPT_FTP_RESPONSE_TIMEOUT(3),
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55libcurl 7.66.0                   May 05, 2017CURLOPT_FTP_ALTERNATIVE_TO_USER(3)
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