CURLOPT_LOCALPORT (3) - Linux Manuals
CURLOPT_LOCALPORT: set local port number to use for socket
Command to display CURLOPT_LOCALPORT
manual in Linux: $ man 3 CURLOPT_LOCALPORT
NAME
CURLOPT_LOCALPORT - set local port number to use for socket
SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_LOCALPORT, long port);
DESCRIPTION
Pass a long. This sets the local port number of the socket used for the
connection. This can be used in combination with
CURLOPT_INTERFACE(3)
and you are recommended to use
CURLOPT_LOCALPORTRANGE(3) as well when
this option is set. Valid port numbers are 1 - 65535.
DEFAULT
0, disabled - use whatever the system thinks is fine
PROTOCOLS
All
EXAMPLE
TODO
AVAILABILITY
Added in 7.15.2
RETURN VALUE
Returns CURLE_OK
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