socket_write() - send a message from a socket
int socket_write( int s, mixed message,
void | string address );
socket_write() sends a message on a socket s. If the socket s is of
type STREAM or MUD, the socket must already be connected and the
address is not specified. If the socket is of type DATAGRAM, the
address must be specified. The address is of the form: "127.0.0.1 23".
EESUCCESS on success.
a negative value indicated below on error.
EEFDRANGE Descriptor out of range.
EEBADF Descriptor is invalid.
EESECURITY Security violation attempted.
EENOADDR Socket not bound to an address.
EEBADADDR Problem with address format.
EENOTCONN Socket not connected.
EEALREADY Operation already in progress.
EETYPENOTSUPP Object type not supported.
EEBADDATA Sending data with too many nested levels.
EESENDTO Problem with sendto.
EEMODENOTSUPP Socket mode not supported.
EEWOULDBLOCK Operation would block.
EESEND Problem with send.
EECALLBACK Wait for callback.