@brief Returns the next event or error from the server.
@param c: The connection to the X server.
@return The next event from the server.
Returns the next event or error from the server, or returns null in
the event of an I/O error. Blocks until either an event or error
arrive, or an I/O error occurs.
@brief Returns the next event or error from the server. @param c: The connection to the X server. @return The next event from the server.
Returns the next event or error from the server, or returns null in the event of an I/O error. Blocks until either an event or error arrive, or an I/O error occurs.