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---
c: Copyright (C) Daniel Stenberg, <daniel.se>, et al.
SPDX-License-Identifier: curl
Title: CURLINFO_LOCAL_PORT
Section: 3
Source: libcurl
See-also:
- CURLINFO_LOCAL_IP (3)
- CURLINFO_PRIMARY_PORT (3)
- curl_easy_getinfo (3)
- curl_easy_setopt (3)
---
# NAME
CURLINFO_LOCAL_PORT - get the latest local port number
# SYNOPSIS
~~~c
#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
~~~c
int main(void)
{
CURL *curl;
CURLcode res;
curl = curl_easy_init();
if(curl) {
curl_easy_setopt(curl, CURLOPT_URL, "https://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\n", 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.
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