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OpenDarwin 7.2.1 - man page for getpeername (opendarwin section 2)

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GETPEERNAME(2)			     BSD System Calls Manual			   GETPEERNAME(2)

NAME
     getpeername -- get name of connected peer

SYNOPSIS
     #include <sys/socket.h>

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

DESCRIPTION
     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 con-
     tains the actual size of the name returned (in bytes).  The name is truncated if the buffer
     provided is too small.

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

ERRORS
     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 opera-
			tion.

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

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

HISTORY
     The getpeername() function call appeared in 4.2BSD.

4.2 Berkeley Distribution		   June 4, 1993 		4.2 Berkeley Distribution
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