getsockname (2)

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

NAME

getsockname - get socket name

LIBRARY

Lb libc

SYNOPSIS

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

DESCRIPTION

The Fn getsockname system call returns the current Fa name for the specified socket. 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).

RETURN VALUES

Rv -std getsockname

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 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

bind(2), getpeername(2), socket(2)

HISTORY

The Fn getsockname system call appeared in BSD 4.2

BUGS

Names bound to sockets in the UNIX domain are inaccessible; Fn getsockname returns a zero length name.