/usr/include/apm.h is in libapm-dev 3.2.2-14.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 | /* apm.h -- Header file for sample APM interface routines
* Created: Mon Jan 8 11:40:50 1996 by r.faith@ieee.org
* Revised: Thu Apr 4 21:57:31 1996 by r.faith@ieee.org
* Copyright 1996 Rickard E. Faith (r.faith@ieee.org)
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Library General Public License as published
* by the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id: apm.h,v 1.7 1999/07/05 22:31:11 apenwarr Exp $
*
*/
#ifndef _APM_H
#define _APM_H 1
#ifndef __KERNEL_STRICT_NAMES
#define __KERNEL_STRICT_NAMES
#endif
#include <linux/apm_bios.h>
#include <sys/types.h>
#define APM_PROC "/proc/apm"
#define APM_DEVICE "/dev/apm_bios"
#define APM_DEV "/proc/devices"
#define APM_NAME "apm_bios"
#ifndef APM_32_BIT_SUPPORT
#define APM_32_BIT_SUPPORT 0x0002
#endif
typedef struct apm_info
{
const char driver_version[10];
int apm_version_major;
int apm_version_minor;
int apm_flags;
int ac_line_status;
int battery_status;
int battery_flags;
int battery_percentage;
int battery_time;
int using_minutes;
}
apm_info;
/*
* Encodings for apm_info
*/
#define AC_LINE_STATUS_OFF (0)
#define AC_LINE_STATUS_ON (1)
#define AC_LINE_STATUS_BACKUP (2)
#define AC_LINE_STATUS_UNKNOWN (0xff)
#define BATTERY_STATUS_HIGH (0)
#define BATTERY_STATUS_LOW (1)
#define BATTERY_STATUS_CRITICAL (2)
#define BATTERY_STATUS_CHARGING (3)
#define BATTERY_STATUS_ABSENT (4)
#define BATTERY_STATUS_UNKNOWN (0xff)
#define BATTERY_FLAGS_HIGH (0x1)
#define BATTERY_FLAGS_LOW (0x2)
#define BATTERY_FLAGS_CRITICAL (0x4)
#define BATTERY_FLAGS_CHARGING (0x8)
#define BATTERY_FLAGS_ABSENT (0x80)
#define BATTERY_PERCENTAGE_UNKNOWN (-1)
#define BATTERY_TIME_UNKNOWN (-1)
extern int apm_exists(void);
extern int apm_read(apm_info * i);
extern dev_t apm_dev(void);
extern int apm_open(void);
extern int apm_close(int fd);
extern int apm_get_events(int fd, int timeout, apm_event_t * events, int n);
extern int apm_suspend(int fd);
extern int apm_standby(int fd);
extern int apm_set_ignore(int fd, int mode);
extern const char *apm_error_name( unsigned int err );
extern const char *apm_event_name(apm_event_t event);
extern const char *apm_time(time_t t);
extern const char *apm_delta_time(time_t then, time_t now);
extern const char *apm_time_nosec(time_t t);
#ifdef APM_IOC_REJECT
extern int apm_reject(int fd);
#else
#define apm_reject(fd) (-EINVAL)
#endif
#endif
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