What is the Listen Address of my process ?

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LEARN ABOUT MOJAVE

listen

LISTEN(2)						      BSD System Calls Manual							 LISTEN(2)

NAME

     listen -- listen for connections on a socket

SYNOPSIS

     #include <sys/socket.h>

     int
     listen(int socket, int backlog);

DESCRIPTION

     Creation of socket-based connections requires several operations.	First, a socket is created with socket(2).  Next, a willingness to accept
     incoming connections and a queue limit for incoming connections are specified with listen().  Finally, the connections are accepted with
     accept(2).  The listen() call applies only to sockets of type SOCK_STREAM.

     The backlog parameter defines the maximum length for the queue of pending connections.  If a connection request arrives with the queue full,
     the client may receive an error with an indication of ECONNREFUSED.  Alternatively, if the underlying protocol supports retransmission, the
     request may be ignored so that retries may succeed.

RETURN VALUES

     The listen() function returns the value 0 if successful; otherwise the value -1 is returned and the global variable errno is set to indicate
     the error.

ERRORS

     listen() will fail if:

     [EACCES]		The current process has insufficient privileges.

     [EBADF]		The argument socket is not a valid file descriptor.

     [EDESTADDRREQ]	The socket is not bound to a local address and the protocol does not support listening on an unbound socket.

     [EINVAL]		socket is already connected.

     [ENOTSOCK] 	The argument socket does not reference a socket.

     [EOPNOTSUPP]	The socket is not of a type that supports the operation listen().

SEE ALSO

     accept(2), connect(2), connectx(2), socket(2)

BUGS

     The backlog is currently limited (silently) to 128.

HISTORY

     The listen() function call appeared in 4.2BSD.

4.2 Berkeley Distribution					  March 18, 2015					 4.2 Berkeley Distribution

HP-UX