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5a488251f7
- make DEFAULT sections less repetitive - make historic mentions use HISTORY - generate the protocols section on `# %PROTOCOLS%` instead of guessing where to put it - generate the availability section on `# %AVAILABILITY%` instead of guessing where to put it - make the protocols section more verbose Closes #14227
66 lines
1.2 KiB
Markdown
66 lines
1.2 KiB
Markdown
---
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c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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SPDX-License-Identifier: curl
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Title: CURLOPT_USERAGENT
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Section: 3
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Source: libcurl
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See-also:
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- CURLOPT_CUSTOMREQUEST (3)
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- CURLOPT_HTTPHEADER (3)
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- CURLOPT_REFERER (3)
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- CURLOPT_REQUEST_TARGET (3)
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Protocol:
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- HTTP
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Added-in: 7.1
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---
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# NAME
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CURLOPT_USERAGENT - HTTP user-agent header
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# SYNOPSIS
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~~~c
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_USERAGENT, char *ua);
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~~~
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# DESCRIPTION
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Pass a pointer to a null-terminated string as parameter. It is used to set the
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User-Agent: header field in the HTTP request sent to the remote server. You
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can also set any custom header with CURLOPT_HTTPHEADER(3).
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The application does not have to keep the string around after setting this
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option.
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# DEFAULT
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NULL, no User-Agent: header is used.
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# %PROTOCOLS%
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# EXAMPLE
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~~~c
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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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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
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curl_easy_setopt(curl, CURLOPT_USERAGENT, "Dark Secret Ninja/1.0");
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curl_easy_perform(curl);
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}
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}
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~~~
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# %AVAILABILITY%
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# RETURN VALUE
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Returns CURLE_OK if HTTP is supported, CURLE_UNKNOWN_OPTION if not, or
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CURLE_OUT_OF_MEMORY if there was insufficient heap space.
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