close_all_serials — Close all serial devices.
close_all_serials is obsolete and is only provided for reasons of backward compatibility. New applications should not use close_all_serials.
close_all_serials( : : : )
close_all_serials closes all serial devices that have been opened with open_serial.
close_all_serials exists solely for the purpose of implementing the “reset program” functionality in HDevelop. close_all_serials must not be used in any application.
close_all_serials returns always 2 (H_MSG_TRUE).