ntddbeep.inc

来自「用汇编语言编写Windows驱动程序的工具」· INC 代码 · 共 11 行

;    This is the include file that defines all constants and types for
;    the beep device.

ifndef _NTDDBEEP_
_NTDDBEEP_ equ 1

IOCTL_BEEP_SET equ CTL_CODE(FILE_DEVICE_BEEP, 0, METHOD_BUFFERED, FILE_ANY_ACCESS)

endif ; _NTDDBEEP_