1---
2c: Copyright (C) Daniel Stenberg, <daniel.se>, et al.
3SPDX-License-Identifier: curl
4Title: CURLINFO_LOCAL_PORT
5Section: 3
6Source: libcurl
7See-also:
8  - CURLINFO_LOCAL_IP (3)
9  - CURLINFO_PRIMARY_PORT (3)
10  - curl_easy_getinfo (3)
11  - curl_easy_setopt (3)
12---
13
14# NAME
15
16CURLINFO_LOCAL_PORT - get the latest local port number
17
18# SYNOPSIS
19
20~~~c
21#include <curl/curl.h>
22
23CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_LOCAL_PORT, long *portp);
24~~~
25
26# DESCRIPTION
27
28Pass a pointer to a long to receive the local port number of the most recent
29connection done with this **curl** handle.
30
31# PROTOCOLS
32
33All
34
35# EXAMPLE
36
37~~~c
38int main(void)
39{
40  CURL *curl;
41  CURLcode res;
42
43  curl = curl_easy_init();
44  if(curl) {
45    curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
46    res = curl_easy_perform(curl);
47
48    if(CURLE_OK == res) {
49      long port;
50      res = curl_easy_getinfo(curl, CURLINFO_LOCAL_PORT, &port);
51
52      if(CURLE_OK == res) {
53        printf("We used local port: %ld\n", port);
54      }
55    }
56    curl_easy_cleanup(curl);
57  }
58  return 0;
59}
60~~~
61
62# AVAILABILITY
63
64Added in 7.21.0
65
66# RETURN VALUE
67
68Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
69