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50 lines
1.1 KiB
Groff
50 lines
1.1 KiB
Groff
.\" generated by cd2nroff 0.1 from CURLINFO_LOCAL_PORT.md
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.TH CURLINFO_LOCAL_PORT 3 "2024-06-01" libcurl
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.SH NAME
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CURLINFO_LOCAL_PORT \- get the latest local port number
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.SH SYNOPSIS
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.nf
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#include <curl/curl.h>
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CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_LOCAL_PORT, long *portp);
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.fi
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.SH DESCRIPTION
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Pass a pointer to a long to receive the local port number of the most recent
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connection done with this \fBcurl\fP handle.
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.SH PROTOCOLS
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TCP
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.SH EXAMPLE
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.nf
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int main(void)
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{
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CURL *curl;
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CURLcode res;
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curl = curl_easy_init();
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if(curl) {
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
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res = curl_easy_perform(curl);
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if(CURLE_OK == res) {
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long port;
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res = curl_easy_getinfo(curl, CURLINFO_LOCAL_PORT, &port);
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if(CURLE_OK == res) {
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printf("We used local port: %ld\\n", port);
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}
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}
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curl_easy_cleanup(curl);
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}
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return 0;
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}
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.fi
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.SH AVAILABILITY
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Added in 7.21.0
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.SH RETURN VALUE
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Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
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.SH SEE ALSO
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.BR CURLINFO_LOCAL_IP (3),
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.BR CURLINFO_PRIMARY_PORT (3),
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.BR curl_easy_getinfo (3),
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.BR curl_easy_setopt (3)
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