getpeername (2)

Leading comments

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(The comments found at the beginning of the groff file "man2/getpeername.2freebsd".)

NAME

getpeername - get name of connected peer

LIBRARY

Lb libc

SYNOPSIS

In sys/types.h In sys/socket.h Ft int Fn getpeername int s struct sockaddr * restrict name socklen_t * restrict namelen

DESCRIPTION

The Fn getpeername system call returns the name of the peer connected to socket Fa s . The Fa namelen argument should be initialized to indicate the amount of space pointed to by Fa name . On return it contains the actual size of the name returned (in bytes). The name is truncated if the buffer provided is too small.

RETURN VALUES

Rv -std getpeername

ERRORS

The call succeeds unless:

Bq Er EBADF

The argument Fa s is not a valid descriptor.

Bq Er ECONNRESET

The connection has been reset by the peer.

Bq Er EINVAL

The value of the Fa namelen argument is not valid.

Bq Er ENOTSOCK

The argument Fa s is a file, not a socket.

Bq Er ENOTCONN

The socket is not connected.

Bq Er ENOBUFS

Insufficient resources were available in the system to perform the operation.

Bq Er EFAULT

The Fa name argument points to memory not in a valid part of the process address space.

SEE ALSO

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

HISTORY

The Fn getpeername system call appeared in BSD 4.2