[Global]: loading init

deps/curl/docs/libcurl/opts/CURLINFO_HTTP_VERSION.md

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+---
+c: Copyright (C) Daniel Stenberg, <daniel.se>, et al.
+SPDX-License-Identifier: curl
+Title: CURLINFO_HTTP_VERSION
+Section: 3
+Source: libcurl
+See-also:
+  - CURLINFO_RESPONSE_CODE (3)
+  - curl_easy_getinfo (3)
+  - curl_easy_setopt (3)
+---
+
+# NAME
+
+CURLINFO_HTTP_VERSION - get the http version used in the connection
+
+# SYNOPSIS
+
+~~~c
+#include <curl/curl.h>
+
+CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_HTTP_VERSION, long *p);
+~~~
+
+# DESCRIPTION
+
+Pass a pointer to a long to receive the version used in the last http
+connection done using this handle. The returned value is
+CURL_HTTP_VERSION_1_0, CURL_HTTP_VERSION_1_1, CURL_HTTP_VERSION_2_0,
+CURL_HTTP_VERSION_3 or 0 if the version cannot be determined.
+
+# PROTOCOLS
+
+HTTP
+
+# EXAMPLE
+
+~~~c
+int main(void)
+{
+  CURL *curl = curl_easy_init();
+  if(curl) {
+    CURLcode res;
+    curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
+    res = curl_easy_perform(curl);
+    if(res == CURLE_OK) {
+      long http_version;
+      curl_easy_getinfo(curl, CURLINFO_HTTP_VERSION, &http_version);
+    }
+    curl_easy_cleanup(curl);
+  }
+}
+~~~
+
+# AVAILABILITY
+
+Added in 7.50.0
+
+# RETURN VALUE
+
+Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.