CTL_STATUS_t wii_extension_controller_write_memory_byte(CTL_I2C_BUS_t *bus, int mem_addr, int value);
wii_extension_controller_write_memory_byte writes value to the address mem_addr in the Wii extension controller on I2C bus bus.
wii_extension_controller_write_memory_byte returns a standard status code.
wii_extension_controller_write_memory_byte is thread-safe if a mutex is associated with the I2C bus bus.