fnet_socket_getopt()

fnet_return_t fnet_socket_getopt	(	fnet_socket_t	s,
		fnet_protocol_t	level,
		fnet_socket_options_t	optname,
		void *	optval,
		fnet_size_t *	optvallen
	)

Gets a socket option.

Parameters

s	Descriptor identifying a socket.
level	Level, at which the option is defined. The supported levels are the SOL_SOCKET, IPPROTO_IP, IPPROTO_IPV6 or IPPROTO_TCP.
optname	Socket option, for which the value is to be retrievied.
optval	Pointer to a buffer in which the value for the requested option has to be returned.
optvallen	Pointer to the size of the optval buffer.

Returns

This function returns:

• FNET_OK if no error occurs.
• FNET_ERR if an error occurs.
  The specific error code can be retrieved using the fnet_error_get().

See also

fnet_socket_setopt()

This function retrieves the current value for a socket option associated with the socket s, and stores the result in the optval.
The various socket options are described by the fnet_socket_options_t.