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NAME

     getsockname - get socket name

LIBRARY

     Standard C Library (libc, -lc)

SYNOPSIS

     #include <sys/types.h>
     #include <sys/socket.h>

     int
     getsockname(int s, struct sockaddr * restrict name,
             socklen_t * restrict namelen);

DESCRIPTION

     The getsockname() system call returns the current name for the specified
     socket.  The namelen argument should be initialized to indicate the
     amount of space pointed to by name.  On return it contains the actual
     size of the name returned (in bytes).

RETURN VALUES

     The getsockname() 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

     The call succeeds unless:

     [EBADF]            The argument s is not a valid descriptor.

     [ECONNRESET]       The connection has been reset by the peer.

     [ENOTSOCK]         The argument s is a file, not a socket.

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

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

SEE ALSO

     bind(2), getpeername(2), socket(2)

HISTORY

     The getsockname() system call appeared in 4.2BSD.

BUGS

     Names bound to sockets in the UNIX domain are inaccessible; getsockname()
     returns a zero length name.