1CURLINFO_PRIMARY_PORT(3) curl_easy_getinfo options CURLINFO_PRIMARY_PORT(3)
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6 CURLINFO_PRIMARY_PORT - get the latest destination port number
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9 #include <curl/curl.h>
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11 CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_PRIMARY_PORT, long *portp);
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14 Pass a pointer to a long to receive the destination port of the most
15 recent connection done with this curl handle.
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17 This is the destination port of the actual TCP or UDP connection
18 libcurl used. If a proxy was used for the most recent transfer, this
19 is the port number of the proxy, if no proxy was used it is the port
20 number of the most recently accessed URL.
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23 All
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26 CURL *curl = curl_easy_init();
27 if(curl) {
28 CURLcode res;
29 curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
30 res = curl_easy_perform(curl);
31 if(res == CURLE_OK) {
32 long port;
33 res = curl_easy_getinfo(curl, CURLINFO_PRIMARY_PORT, &port);
34 if(!res)
35 printf("Connected to remote port: %ld\n", port);
36 }
37 curl_easy_cleanup(curl);
38 }
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41 Added in 7.21.0
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44 Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION
45 if not.
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48 curl_easy_getinfo(3), curl_easy_setopt(3),
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52libcurl 7.85.0 May 17, 2022 CURLINFO_PRIMARY_PORT(3)