getpeername(3SOCKET) Sockets Library Functions getpeername(3SOCKET)NAMEgetpeername - 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);
DESCRIPTIONgetpeername() returns the name of the peer connected to socket s. The
int pointed to by the namelen parameter should be initialized to indi‐
cate 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(5) for descriptions of the following attributes:
┌─────────────────────────────┬─────────────────────────────┐
│ ATTRIBUTE TYPE │ ATTRIBUTE VALUE │
├─────────────────────────────┼─────────────────────────────┤
│MT-Level │Safe │
└─────────────────────────────┴─────────────────────────────┘
SEE ALSOaccept(3SOCKET), bind(3SOCKET), getsockname(3SOCKET), socket(3SOCKET),
attributes(5), socket.h(3HEAD)SunOS 5.11 26 Mar 1998 getpeername(3SOCKET)
