.\" generated by cd2nroff 0.1 from CURLINFO_LOCAL_PORT.md .TH CURLINFO_LOCAL_PORT 3 "2024-04-03" libcurl .SH NAME CURLINFO_LOCAL_PORT \- get the latest local port number .SH SYNOPSIS .nf #include CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_LOCAL_PORT, long *portp); .fi .SH DESCRIPTION Pass a pointer to a long to receive the local port number of the most recent connection done with this \fBcurl\fP handle. .SH PROTOCOLS TCP .SH EXAMPLE .nf 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; } .fi .SH AVAILABILITY Added in 7.21.0 .SH RETURN VALUE Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. .SH SEE ALSO .BR CURLINFO_LOCAL_IP (3), .BR CURLINFO_PRIMARY_PORT (3), .BR curl_easy_getinfo (3), .BR curl_easy_setopt (3)