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curl/docs/libcurl/opts/CURLOPT_USERAGENT.3
Daniel Stenberg 032e838b73
terminology: call them null-terminated strings
Updated terminology in docs, comments and phrases to refer to C strings
as "null-terminated". Done to unify with how most other C oriented docs
refer of them and what users in general seem to prefer (based on a
single highly unscientific poll on twitter).

Reported-by: coinhubs on github
Fixes #5598
Closes #5608
2020-06-28 00:31:24 +02:00

60 lines
2.2 KiB
Groff

.\" **************************************************************************
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.TH CURLOPT_USERAGENT 3 "17 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
.SH NAME
CURLOPT_USERAGENT \- set HTTP user-agent header
.SH SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_USERAGENT, char *ua);
.SH DESCRIPTION
Pass a pointer to a null-terminated string as parameter. It will be used to
set the User-Agent: header in the HTTP request sent to the remote server. This
can be used to fool servers or scripts. 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, HTTPS
.SH EXAMPLE
.nf
CURL *curl = curl_easy_init();
if(curl) {
curl_easy_setopt(curl, CURLOPT_URL, "http://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_REFERER "(3), " CURLOPT_HTTPHEADER "(3), "