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55 lines
1.7 KiB
Groff
55 lines
1.7 KiB
Groff
.\" generated by cd2nroff 0.1 from CURLINFO_PROTOCOL.md
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.TH CURLINFO_PROTOCOL 3 "2024-06-01" libcurl
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.SH NAME
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CURLINFO_PROTOCOL \- get the protocol used in the connection
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.SH SYNOPSIS
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.nf
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#include <curl/curl.h>
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CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_PROTOCOL, long *p);
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.fi
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.SH DESCRIPTION
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This option is deprecated. We strongly recommend using
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\fICURLINFO_SCHEME(3)\fP instead, because this option cannot return all
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possible protocols!
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Pass a pointer to a long to receive the version used in the last http
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connection. The returned value is set to one of the CURLPROTO_* values:
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.nf
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CURLPROTO_DICT, CURLPROTO_FILE, CURLPROTO_FTP, CURLPROTO_FTPS,
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CURLPROTO_GOPHER, CURLPROTO_HTTP, CURLPROTO_HTTPS, CURLPROTO_IMAP,
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CURLPROTO_IMAPS, CURLPROTO_LDAP, CURLPROTO_LDAPS, CURLPROTO_POP3,
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CURLPROTO_POP3S, CURLPROTO_RTMP, CURLPROTO_RTMPE, CURLPROTO_RTMPS,
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CURLPROTO_RTMPT, CURLPROTO_RTMPTE, CURLPROTO_RTMPTS, CURLPROTO_RTSP,
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CURLPROTO_SCP, CURLPROTO_SFTP, CURLPROTO_SMB, CURLPROTO_SMBS, CURLPROTO_SMTP,
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CURLPROTO_SMTPS, CURLPROTO_TELNET, CURLPROTO_TFTP, CURLPROTO_MQTT
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.fi
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.SH PROTOCOLS
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All
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.SH EXAMPLE
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.nf
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int main(void)
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{
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CURL *curl = curl_easy_init();
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if(curl) {
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CURLcode res;
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
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res = curl_easy_perform(curl);
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if(res == CURLE_OK) {
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long protocol;
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curl_easy_getinfo(curl, CURLINFO_PROTOCOL, &protocol);
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}
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curl_easy_cleanup(curl);
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}
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}
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.fi
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.SH AVAILABILITY
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Added in 7.52.0. Deprecated since 7.85.0.
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.SH RETURN VALUE
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Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
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.SH SEE ALSO
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.BR CURLINFO_RESPONSE_CODE (3),
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.BR curl_easy_getinfo (3),
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.BR curl_easy_setopt (3)
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