getsockname() returns the current name for socket s. The namelen parameter should be initialized
to indicate the amount of space pointed to by name. On return it contains the actual size in bytes of the name returned.
RETURN VALUES
If successful, getsockname() 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 file descriptor.
ENOMEM
There was insufficient memory available for the operation to complete.
ENOSR
There were insufficient STREAMS resources available for the operation to complete.
ENOTSOCK
The argument s is not a socket.
ATTRIBUTES
See attributes(5) for descriptions of the following
attributes: