getsockname man page on Kali

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GETSOCKNAME(2)		   Linux Programmer's Manual		GETSOCKNAME(2)

NAME
       getsockname - get socket name

SYNOPSIS
       #include <sys/socket.h>

       int getsockname(int sockfd, struct sockaddr *addr, socklen_t *addrlen);

DESCRIPTION
       getsockname() returns the current address to which the socket sockfd is
       bound, in the buffer pointed to by addr.	 The addrlen  argument	should
       be initialized to indicate the amount of space (in bytes) pointed to by
       addr.  On return it contains the actual size of the socket address.

       The returned address is truncated if the buffer provided is too	small;
       in  this case, addrlen will return a value greater than was supplied to
       the call.

RETURN VALUE
       On success, zero is returned.  On error, -1 is returned, and  errno  is
       set appropriately.

ERRORS
       EBADF  The argument sockfd is not a valid file descriptor.

       EFAULT The  addr	 argument  points to memory not in a valid part of the
	      process address space.

       EINVAL addrlen is invalid (e.g., is negative).

       ENOBUFS
	      Insufficient resources were available in the system  to  perform
	      the operation.

       ENOTSOCK
	      The file descriptor sockfd does not refer to a socket.

CONFORMING TO
       POSIX.1-2001,  POSIX.1-2008, SVr4, 4.4BSD (getsockname() first appeared
       in 4.2BSD).

NOTES
       For background on the socklen_t type, see accept(2).

SEE ALSO
       bind(2), socket(2), getifaddrs(3), ip(7), socket(7), unix(7)

COLOPHON
       This page is part of release 4.14 of the Linux  man-pages  project.   A
       description  of	the project, information about reporting bugs, and the
       latest	 version    of	  this	  page,	   can	   be	  found	    at
       https://www.kernel.org/doc/man-pages/.

Linux				  2017-09-15			GETSOCKNAME(2)
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