1CURLINFO_PROTOCOL(3)       curl_easy_getinfo options      CURLINFO_PROTOCOL(3)
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NAME

6       CURLINFO_PROTOCOL - get the protocol used in the connection
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SYNOPSIS

9       #include <curl/curl.h>
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11       CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_PROTOCOL, long *p);
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DESCRIPTION

14       Pass  a  pointer to a long to receive the version used in the last http
15       connection.  The returned value will be exactly one of the  CURLPROTO_*
16       values:
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18       CURLPROTO_DICT, CURLPROTO_FILE, CURLPROTO_FTP, CURLPROTO_FTPS,
19       CURLPROTO_GOPHER, CURLPROTO_HTTP, CURLPROTO_HTTPS, CURLPROTO_IMAP,
20       CURLPROTO_IMAPS, CURLPROTO_LDAP, CURLPROTO_LDAPS, CURLPROTO_POP3,
21       CURLPROTO_POP3S, CURLPROTO_RTMP, CURLPROTO_RTMPE, CURLPROTO_RTMPS,
22       CURLPROTO_RTMPT, CURLPROTO_RTMPTE, CURLPROTO_RTMPTS, CURLPROTO_RTSP,
23       CURLPROTO_SCP, CURLPROTO_SFTP, CURLPROTO_SMB, CURLPROTO_SMBS, CURLPROTO_SMTP,
24       CURLPROTO_SMTPS, CURLPROTO_TELNET, CURLPROTO_TFTP
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PROTOCOLS

27       All
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EXAMPLE

30       CURL *curl = curl_easy_init();
31       if(curl) {
32         CURLcode res;
33         curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
34         res = curl_easy_perform(curl);
35         if(res == CURLE_OK) {
36           long protocol;
37           curl_easy_getinfo(curl, CURLINFO_PROTOCOL, &protocol);
38         }
39         curl_easy_cleanup(curl);
40       }
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AVAILABILITY

43       Added in 7.52.0
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RETURN VALUE

46       Returns  CURLE_OK  if the option is supported, and CURLE_UNKNOWN_OPTION
47       if not.
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SEE ALSO

50       CURLINFO_RESPONSE_CODE(3), curl_easy_getinfo(3), curl_easy_setopt(3),
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54libcurl 7.61.1                  April 27, 2018            CURLINFO_PROTOCOL(3)
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