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CURLINFO_PRIMARY_IP(3)

CURLINFO_PRIMARY_IP(3)     curl_easy_getinfo options    CURLINFO_PRIMARY_IP(3)

NAME
       CURLINFO_PRIMARY_IP - get IP address of last connection

SYNOPSIS
       #include <curl/curl.h>

       CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_PRIMARY_IP, char **ip);

DESCRIPTION
       Pass  a pointer to a char pointer to receive the pointer to a null-ter‐
       minated string holding the IP address of  the  most  recent  connection
       done  with  this  curl handle. This string may be IPv6 when that is en‐
       abled. Note that you get a pointer to a memory area that  will  be  re-
       used at next request so you need to copy the string if you want to keep
       the information.

       The  ip pointer will be NULL or pointing to private memory you MUST NOT
       free - it gets freed when you call curl_easy_cleanup(3) on  the  corre‐
       sponding CURL handle.

PROTOCOLS
       All network based ones

EXAMPLE
       {
         char *ip;

         curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");

         /* Perform the request, res will get the return code */
         res = curl_easy_perform(curl);
         /* Check for errors */
         if((res == CURLE_OK) &&
            !curl_easy_getinfo(curl, CURLINFO_PRIMARY_IP, &ip) && ip) {
           printf("IP: %s\n", ip);
         }

         /* always cleanup */
         curl_easy_cleanup(curl);
       }

AVAILABILITY
       Added in 7.19.0

RETURN VALUE
       Returns  CURLE_OK  if the option is supported, and CURLE_UNKNOWN_OPTION
       if not.

SEE ALSO
       curl_easy_getinfo(3),  curl_easy_setopt(3),   CURLINFO_PRIMARY_PORT(3),
       CURLINFO_LOCAL_IP(3),

libcurl 7.86.0                   May 17, 2022           CURLINFO_PRIMARY_IP(3)
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