blob: 323d15563b2b935c81a3ca4539a888ee7963a2d5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
/* $OpenBSD: spkr.h,v 1.2 2000/08/05 22:07:32 niklas Exp $ */
/* $NetBSD: spkr.h,v 1.3 1994/10/27 04:16:27 cgd Exp $ */
/*
* spkr.h -- interface definitions for speaker ioctl()
*/
#ifndef _I386_SPKR_H_
#define _I386_SPKR_H_
#include <sys/ioctl.h>
#define SPKRTONE _IOW('S', 1, tone_t) /* emit tone */
#define SPKRTUNE _IO('S', 2) /* emit tone sequence */
typedef struct {
int frequency; /* in hertz */
int duration; /* in 1/100ths of a second */
} tone_t;
#endif /* _I386_SPKR_H_ */
|
