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repo/core/curl/files/CURLOPT_USERAGENT.3
2024-03-30 13:28:04 -05:00

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.\" generated by cd2nroff 0.1 from CURLOPT_USERAGENT.md
.TH CURLOPT_USERAGENT 3 libcurl
.SH NAME
CURLOPT_USERAGENT \- HTTP user\-agent header
.SH SYNOPSIS
.nf
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_USERAGENT, char *ua);
.fi
.SH DESCRIPTION
Pass a pointer to a null\-terminated string as parameter. It is used to set the
User\-Agent: header field in the HTTP request sent to the remote server. You
can also set any custom header with \fICURLOPT_HTTPHEADER(3)\fP.
The application does not have to keep the string around after setting this
option.
.SH DEFAULT
NULL, no User\-Agent: header is used by default.
.SH PROTOCOLS
HTTP
.SH EXAMPLE
.nf
int main(void)
{
CURL *curl = curl_easy_init();
if(curl) {
curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
curl_easy_setopt(curl, CURLOPT_USERAGENT, "Dark Secret Ninja/1.0");
curl_easy_perform(curl);
}
}
.fi
.SH AVAILABILITY
As long as HTTP is supported
.SH RETURN VALUE
Returns CURLE_OK if HTTP is supported, CURLE_UNKNOWN_OPTION if not, or
CURLE_OUT_OF_MEMORY if there was insufficient heap space.
.SH SEE ALSO
.BR CURLOPT_CUSTOMREQUEST (3),
.BR CURLOPT_HTTPHEADER (3),
.BR CURLOPT_REFERER (3),
.BR CURLOPT_REQUEST_TARGET (3)