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NAME    [Toc]    [Back]

     getpeername - get name of connected peer

LIBRARY    [Toc]    [Back]

     Standard C Library (libc, -lc)

SYNOPSIS    [Toc]    [Back]

     #include <sys/socket.h>

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

DESCRIPTION    [Toc]    [Back]

     getpeername() returns the name of the peer connected to socket s.  The
     namelen parameter 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).  The name is truncated if the buffer provided is too

RETURN VALUES    [Toc]    [Back]

     A 0 is returned if the call succeeds, -1 if it fails.

ERRORS    [Toc]    [Back]

     The call succeeds unless:

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

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

     [ENOTCONN]         The socket is not connected.

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

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

SEE ALSO    [Toc]    [Back]

     accept(2), bind(2), getsockname(2), socket(2)

HISTORY    [Toc]    [Back]

     The getpeername() function call appeared in 4.2BSD.

BSD                            October 22, 2001                            BSD
[ Back ]
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