.TH GETPEERNAME 2 .SH NAME getpeername \- get the name/address of the connected peer. .SH SYNOPSIS .ft B #include .in +5 .ti -5 int getpeername(int \fIsd\fP, struct sockaddr * \fIaddr\fP, socklen_t * \fIaddr_len\fP); .br .ft P .SH DESCRIPTION getpeername() takes a connected socket \fIsd\fP and fills in \fIaddr\fP with the name/address of the connected peer. .SH RETURN VALUES On success, this function returns 0. On error, -1 is returned and \fIerrno\fP is set. .SH ERRORS .TP 15 [ENOSYS] The operation is not implemented for the given socket. .TP 15 [ENOTCONN] The socket is not connected; there is no peer. .SH SEE ALSO .BR socket(2), .BR getsockname(2)