curlopt_localport(3) mojave man page | unix.com

CURLOPT_LOCALPORT(3)					     curl_easy_setopt options					      CURLOPT_LOCALPORT(3)

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_INTER-
       FACE(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

SEE ALSO
       CURLOPT_LOCALPORTRANGE(3), CURLOPT_INTERFACE(3),

libcurl 7.54.0							 February 03, 2016					      CURLOPT_LOCALPORT(3)