getsockname - get socket name

CONTENTS

Library
Synopsis
Description
Return Values
Errors
See Also
History
Bugs

.Lb libc

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

The getsockname system call returns the current name for the specified socket. The namelen argument 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).

.Rv -std getsockname

The call succeeds unless:

[EBADF]
	The argument s is not a valid descriptor.
[ECONNRESET]
	The connection has been reset by the peer.
[ENOTSOCK]
	The argument s is a file, not a socket.
[ENOBUFS]
	Insufficient resources were available in the system to perform the operation.
[EFAULT]
	The name argument points to memory not in a valid part of the process address space.

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

The getsockname system call appeared in BSD 4.2 .

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

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