null.c

用于motorala 68K系列处理器的小实时多任务操作系统 The OMU Kernel was written to provide a cut-down Unix-like O/S for a

/*
 * Null character device.
 */

r_null(dev, buff, count)
char *buff;
{

	/* on read, return EOF */
	return 0;
}

w_null(dev, buff, count)
char *buff;
{

	/* on write, look like sucess */
	return count;
}