Inb_p (), outb_p () and quick (), outb_p () different is that the former access to the I / O wait time (pause) a slow adaptation of the I / O equipment.

• inb_p()、outb_p()与inb()、outb_p()的不同在于前者在存取I/O时有等待(pause)一适应慢速的I/O设备。