GETPEERNAME(3SOCKET) Sockets Library Functions GETPEERNAME(3SOCKET)
NAME
getpeername - get name of connected peer
SYNOPSIS
cc [
flag ... ]
file ...
-lsocket -lnsl [
library ... ]
#include <sys/types.h>
#include <sys/socket.h>
int getpeername(
int s,
struct sockaddr *name,
socklen_t *namelen);
DESCRIPTION
getpeername() returns the name of the peer connected to socket
s.
The
int pointed to by 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), prior to
any truncation. The name is truncated if the buffer provided is too
small.
RETURN VALUES
If successful,
getpeername() returns
0; otherwise it returns
-1 and
sets
errno to indicate the error.
ERRORS
The call succeeds unless:
EBADF The argument
s is not a valid descriptor.
ENOMEM There was insufficient user memory for the operation to
complete.
ENOSR There were insufficient STREAMS resources available for
the operation to complete.
ENOTCONN The socket is not connected.
ENOTSOCK The argument
s is not a socket.
ATTRIBUTES
See
attributes(7) for descriptions of the following attributes:
+---------------+-----------------+
|ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+---------------+-----------------+
|MT-Level | Safe |
+---------------+-----------------+
SEE ALSO
socket.h(3HEAD),
accept(3SOCKET),
bind(3SOCKET),
getsockname(3SOCKET),
sockaddr(3SOCKET),
socket(3SOCKET),
attributes(7) March 26, 1998 GETPEERNAME(3SOCKET)
