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curl/docs/libcurl/opts/CURLINFO_PRIMARY_PORT.3
Daniel Stenberg 83cc966708
man pages: switch to https://example.com URLs
Since HTTPS is "the new normal", this update changes a lot of man page
examples to use https://example.com instead of the previous "http://..."

Closes #5969
2020-09-17 16:28:18 +02:00

57 lines
2.0 KiB
Groff

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.TH CURLINFO_PRIMARY_PORT 3 "12 Sep 2015" "libcurl 7.44.0" "curl_easy_getinfo options"
.SH NAME
CURLINFO_PRIMARY_PORT \- get the latest destination port number
.SH SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_PRIMARY_PORT, long *portp);
.SH DESCRIPTION
Pass a pointer to a long to receive the destination port of the most recent
connection done with this \fBcurl\fP handle.
.SH PROTOCOLS
All
.SH EXAMPLE
.nf
CURL *curl = curl_easy_init();
if(curl) {
CURLcode res;
curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
res = curl_easy_perform(curl);
if(res == CURLE_OK) {
long port;
res = curl_easy_getinfo(curl, CURLINFO_PRIMARY_PORT, &port);
if(!res)
printf("Connected to remote port: %ld\\n", port);
}
curl_easy_cleanup(curl);
}
.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 curl_easy_getinfo "(3), " curl_easy_setopt "(3), "