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Annotation of sys/dev/isa/spkrio.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: spkrio.h,v 1.1 1999/01/02 00:02:43 niklas Exp $       */
        !             2: /*     $NetBSD: spkrio.h,v 1.1 1998/04/15 20:26:19 drochner Exp $      */
        !             3:
        !             4: /*
        !             5:  * spkr.h -- interface definitions for speaker ioctl()
        !             6:  */
        !             7:
        !             8: #ifndef _DEV_ISA_SPKR_H_
        !             9: #define _DEV_ISA_SPKR_H_
        !            10:
        !            11: #define SPKRTONE        _IOW('S', 1, tone_t)    /* emit tone */
        !            12: #define SPKRTUNE        _IO('S', 2)             /* emit tone sequence */
        !            13:
        !            14: typedef struct {
        !            15:        int     frequency;      /* in hertz */
        !            16:        int     duration;       /* in 1/100ths of a second */
        !            17: } tone_t;
        !            18:
        !            19: #endif /* _DEV_ISA_SPKR_H_ */