curlinfo_local_port(3) mojave man page | unix.com

CURLINFO_LOCAL_PORT(3)					     curl_easy_getinfo options					    CURLINFO_LOCAL_PORT(3)

NAME
       CURLINFO_LOCAL_PORT - get the latest local port number

SYNOPSIS
       #include <curl/curl.h>

       CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_LOCAL_PORT, long *portp);

DESCRIPTION
       Pass a pointer to a long to receive the local port number of the most recent connection done with this curl handle.

PROTOCOLS
       All

EXAMPLE
       {
	 CURL *curl;
	 CURLcode res;

	 curl = curl_easy_init();
	 if(curl) {
	   curl_easy_setopt(curl, CURLOPT_URL, "http://example.com/");
	   res = curl_easy_perform(curl);

	   if(CURLE_OK == res) {
	     long port;
	     res = curl_easy_getinfo(curl, CURLINFO_LOCAL_PORT, &port);

	     if(CURLE_OK == res) {
	       printf("We used local port: %ld
", port);
	     }
	   }
	   curl_easy_cleanup(curl);
	 }
	 return 0;
       }

AVAILABILITY
       Added in 7.21.0

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 7.54.0							  March 16, 2017					    CURLINFO_LOCAL_PORT(3)