#include <curl/curl.h>
int main(void) {
CURL *curl = curl_easy_init();
if (curl) {
curl_easy_setopt(curl, CURLOPT_URL, "https://api.gugudata.com/text/entityrecognition?appkey=YOUR_APPKEY");
curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "POST");
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
struct curl_slist *headers = NULL;
headers = curl_slist_append(headers, "Content-Type: application/x-www-form-urlencoded");
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, "content=YOUR_VALUE");
CURLcode res = curl_easy_perform(curl);
(void)res;
curl_slist_free_all(headers);
curl_easy_cleanup(curl);
}
return 0;
}