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Daniel Stenberg e3fe020089

docs/libcurl: generate PROTOCOLS from meta-data

Remove the PROTOCOLS section from the source files completely and
instead generate them based on the header data in the curldown files.

It also generates TLS backend information for options marked for TLS as
protocol.

Closes #13175

2024-03-23 18:13:03 +01:00

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SPDX-License-Identifier

Title

Section

Source

See-also

Protocol

curl

CURLINFO_HTTP_CONNECTCODE

libcurl

CURLINFO_RESPONSE_CODE (3)

curl_easy_getinfo (3)

curl_easy_setopt (3)

HTTP

NAME

CURLINFO_HTTP_CONNECTCODE - get the CONNECT response code

SYNOPSIS

#include <curl/curl.h>

CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_HTTP_CONNECTCODE, long *p);

DESCRIPTION

Pass a pointer to a long to receive the last received HTTP proxy response code to a CONNECT request. The returned value is zero if no such response code was available.

EXAMPLE

int main(void)
{
  CURL *curl = curl_easy_init();
  if(curl) {
    CURLcode res;
    curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");

    /* typically CONNECT is used to do HTTPS over HTTP proxies */
    curl_easy_setopt(curl, CURLOPT_PROXY, "http://127.0.0.1");
    res = curl_easy_perform(curl);
    if(res == CURLE_OK) {
      long code;
      res = curl_easy_getinfo(curl, CURLINFO_HTTP_CONNECTCODE, &code);
      if(!res && code)
        printf("The CONNECT response code: %03ld\n", code);
    }
    curl_easy_cleanup(curl);
  }
}

AVAILABILITY

Added in 7.10.7

RETURN VALUE

Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.

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