CURLOPT_USERAGENT(3)       curl_easy_setopt options       CURLOPT_USERAGENT(3)

NAME
       CURLOPT_USERAGENT - set HTTP user-agent header

SYNOPSIS
       #include <curl/curl.h>

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_USERAGENT, char *ua);

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 _HTTPHEADER&section=3">CURLOPT_HTTPHEADER(3).

       The application does not have to keep the string around after setting
       this option.

DEFAULT
       NULL, no User-Agent: header is used by default.

PROTOCOLS
       HTTP, HTTPS

EXAMPLE
       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);
       }

AVAILABILITY
       As long as HTTP is supported

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.

SEE ALSO
       CURLOPT_REFERER(3), CURLOPT_HTTPHEADER(3),

libcurl 7.77.0                 November 4, 2020           CURLOPT_USERAGENT(3)