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Linux 2.6 - man page for getsockname (linux section 3posix)

GETSOCKNAME(P)			    POSIX Programmer's Manual			   GETSOCKNAME(P)

NAME
       getsockname - get the socket name

SYNOPSIS
       #include <sys/socket.h>

       int getsockname(int socket, struct sockaddr *restrict address,
	      socklen_t *restrict address_len);

DESCRIPTION
       The  getsockname() function shall retrieve the locally-bound name of the specified socket,
       store this address in the sockaddr structure pointed to by the address argument, and store
       the length of this address in the object pointed to by the address_len argument.

       If  the	actual	length of the address is greater than the length of the supplied sockaddr
       structure, the stored address shall be truncated.

       If the socket has not been bound to a local name, the value stored in the  object  pointed
       to by address is unspecified.

RETURN VALUE
       Upon  successful  completion, 0 shall be returned, the address argument shall point to the
       address of the socket, and the address_len argument shall  point  to  the  length  of  the
       address.  Otherwise, -1 shall be returned and errno set to indicate the error.

ERRORS
       The getsockname() function shall fail if:

       EBADF  The socket argument is not a valid file descriptor.

       ENOTSOCK
	      The socket argument does not refer to a socket.

       EOPNOTSUPP
	      The operation is not supported for this socket's protocol.

       The getsockname() function may fail if:

       EINVAL The socket has been shut down.

       ENOBUFS
	      Insufficient resources were available in the system to complete the function.

       The following sections are informative.

EXAMPLES
       None.

APPLICATION USAGE
       None.

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       accept()   ,  bind()  ,	getpeername()  ,  socket()  ,  the  Base  Definitions  volume  of
       IEEE Std 1003.1-2001, <sys/socket.h>

COPYRIGHT
       Portions of this text are reprinted and	reproduced  in	electronic  form  from	IEEE  Std
       1003.1,	2003  Edition,	Standard  for Information Technology -- Portable Operating System
       Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003  by
       the  Institute  of  Electrical  and  Electronics Engineers, Inc and The Open Group. In the
       event of any discrepancy between this version and the original IEEE  and  The  Open  Group
       Standard, the original IEEE and The Open Group Standard is the referee document. The orig-
       inal Standard can be obtained online at http://www.opengroup.org/unix/online.html .

IEEE/The Open Group			       2003				   GETSOCKNAME(P)


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