the /proc family of virtual devices. (FH_PROC_MAX_MINOR): Define. * path.h (isproc_dev): Use FH_PROC_MAX_MINOR rather than FH_PROC.
		
			
				
	
	
		
			306 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			306 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* devices.h
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| 
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|    Copyright 2002, 2003, 2004, 2005, 2007, 2009, 2010, 2011 Red Hat, Inc.
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| 
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| This file is part of Cygwin.
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| 
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| This software is a copyrighted work licensed under the terms of the
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| Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
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| details. */
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| 
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| typedef unsigned short _major_t;
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| typedef unsigned short _minor_t;
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| typedef mode_t _mode_t;
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| typedef __dev32_t _dev_t;
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| 
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| #define FHDEV(maj, min) ((((unsigned) (maj)) << (sizeof (_major_t) * 8)) | (unsigned) (min))
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| #define _minor(dev) ((dev) & ((1 << (sizeof (_minor_t) * 8)) - 1))
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| #define _major(dev) ((dev) >> (sizeof (_major_t) * 8))
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| 
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| enum fh_devices
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| {
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|   FH_TTY     = FHDEV (5, 0),
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|   FH_CONSOLE = FHDEV (5, 1),
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|   FH_PTYM    = FHDEV (5, 2),	/* /dev/ptmx */
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|   FH_CONIN   = FHDEV (5, 255),
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|   FH_CONOUT  = FHDEV (5, 254),
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| 
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|   DEV_TTYM_MAJOR = 128,
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|   FH_TTYM    = FHDEV (DEV_TTYM_MAJOR, 0),
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|   FH_TTYM_MAX= FHDEV (DEV_TTYM_MAJOR, 255),
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| 
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|   DEV_TTYS_MAJOR = 136,
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|   FH_TTYS    = FHDEV (DEV_TTYS_MAJOR, 0),	/* FIXME: Should separate ttys and ptys */
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|   FH_TTYS_MAX= FHDEV (DEV_TTYS_MAJOR, 255),	/* FIXME: Should separate ttys and ptys */
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| 
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|   DEV_SERIAL_MAJOR = 117,
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|   FH_SERIAL  = FHDEV (117, 0),	/* /dev/ttyS? */
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| 
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|   FH_WINDOWS = FHDEV (13, 255),
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|   FH_CLIPBOARD=FHDEV (13, 254),
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| 
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|   /* begin /proc directories */
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|   FH_PROC_MAX_MINOR = FHDEV (0, 255),
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| 
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|   FH_PROC    = FHDEV (0, 255),
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|   FH_PROCESS = FHDEV (0, 254),
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|   FH_REGISTRY= FHDEV (0, 253),
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|   FH_PROCNET = FHDEV (0, 252),
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|   FH_PROCESSFD = FHDEV (0, 251),
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|   FH_PROCSYS = FHDEV (0, 250),
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|   FH_PROCSYSVIPC = FHDEV (0, 249),
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| 
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|   FH_PROC_MIN_MINOR = FHDEV (0, 200),
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|   /* end /proc directories */
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| 
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|   FH_PIPE    = FHDEV (0, 199),
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|   FH_PIPER   = FHDEV (0, 198),
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|   FH_PIPEW   = FHDEV (0, 197),
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|   FH_FIFO    = FHDEV (0, 196),
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|   FH_FS      = FHDEV (0, 195),  /* filesystem based device */
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|   FH_NETDRIVE= FHDEV (0, 194),
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|   FH_DEV     = FHDEV (0, 193),
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| 
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|   DEV_FLOPPY_MAJOR = 2,
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|   FH_FLOPPY  = FHDEV (DEV_FLOPPY_MAJOR, 0),
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| 
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|   DEV_CDROM_MAJOR = 11,
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|   FH_CDROM   = FHDEV (DEV_CDROM_MAJOR, 0),
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| 
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|   DEV_TAPE_MAJOR = 9,
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|   FH_TAPE    = FHDEV (DEV_TAPE_MAJOR, 0),
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|   FH_NTAPE   = FHDEV (DEV_TAPE_MAJOR, 128),
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|   FH_MAXNTAPE= FHDEV (DEV_TAPE_MAJOR, 255),
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| 
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|   DEV_SD_MAJOR = 8,
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|   DEV_SD1_MAJOR = 65,
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|   DEV_SD2_MAJOR = 66,
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|   DEV_SD3_MAJOR = 67,
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|   DEV_SD4_MAJOR = 68,
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|   DEV_SD5_MAJOR = 69,
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|   DEV_SD6_MAJOR = 70,
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|   DEV_SD7_MAJOR = 71,
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|   FH_SD      = FHDEV (DEV_SD_MAJOR, 0),
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|   FH_SD1     = FHDEV (DEV_SD1_MAJOR, 0),
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|   FH_SD2     = FHDEV (DEV_SD2_MAJOR, 0),
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|   FH_SD3     = FHDEV (DEV_SD3_MAJOR, 0),
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|   FH_SD4     = FHDEV (DEV_SD4_MAJOR, 0),
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|   FH_SD5     = FHDEV (DEV_SD5_MAJOR, 0),
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|   FH_SD6     = FHDEV (DEV_SD6_MAJOR, 0),
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|   FH_SD7     = FHDEV (DEV_SD7_MAJOR, 0),
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|   FH_SDA     = FHDEV (DEV_SD_MAJOR, 0),
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|   FH_SDB     = FHDEV (DEV_SD_MAJOR, 16),
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|   FH_SDC     = FHDEV (DEV_SD_MAJOR, 32),
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|   FH_SDD     = FHDEV (DEV_SD_MAJOR, 48),
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|   FH_SDE     = FHDEV (DEV_SD_MAJOR, 64),
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|   FH_SDF     = FHDEV (DEV_SD_MAJOR, 80),
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|   FH_SDG     = FHDEV (DEV_SD_MAJOR, 96),
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|   FH_SDH     = FHDEV (DEV_SD_MAJOR, 112),
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|   FH_SDI     = FHDEV (DEV_SD_MAJOR, 128),
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|   FH_SDJ     = FHDEV (DEV_SD_MAJOR, 144),
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|   FH_SDK     = FHDEV (DEV_SD_MAJOR, 160),
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|   FH_SDL     = FHDEV (DEV_SD_MAJOR, 176),
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|   FH_SDM     = FHDEV (DEV_SD_MAJOR, 192),
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|   FH_SDN     = FHDEV (DEV_SD_MAJOR, 208),
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|   FH_SDO     = FHDEV (DEV_SD_MAJOR, 224),
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|   FH_SDP     = FHDEV (DEV_SD_MAJOR, 240),
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|   FH_SDQ     = FHDEV (DEV_SD1_MAJOR, 0),
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|   FH_SDR     = FHDEV (DEV_SD1_MAJOR, 16),
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|   FH_SDS     = FHDEV (DEV_SD1_MAJOR, 32),
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|   FH_SDT     = FHDEV (DEV_SD1_MAJOR, 48),
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|   FH_SDU     = FHDEV (DEV_SD1_MAJOR, 64),
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|   FH_SDV     = FHDEV (DEV_SD1_MAJOR, 80),
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|   FH_SDW     = FHDEV (DEV_SD1_MAJOR, 96),
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|   FH_SDX     = FHDEV (DEV_SD1_MAJOR, 112),
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|   FH_SDY     = FHDEV (DEV_SD1_MAJOR, 128),
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|   FH_SDZ     = FHDEV (DEV_SD1_MAJOR, 144),
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|   FH_SDAA    = FHDEV (DEV_SD1_MAJOR, 160),
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|   FH_SDAB    = FHDEV (DEV_SD1_MAJOR, 176),
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|   FH_SDAC    = FHDEV (DEV_SD1_MAJOR, 192),
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|   FH_SDAD    = FHDEV (DEV_SD1_MAJOR, 208),
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|   FH_SDAE    = FHDEV (DEV_SD1_MAJOR, 224),
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|   FH_SDAF    = FHDEV (DEV_SD1_MAJOR, 240),
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|   FH_SDAG    = FHDEV (DEV_SD2_MAJOR, 0),
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|   FH_SDAH    = FHDEV (DEV_SD2_MAJOR, 16),
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|   FH_SDAI    = FHDEV (DEV_SD2_MAJOR, 32),
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|   FH_SDAJ    = FHDEV (DEV_SD2_MAJOR, 48),
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|   FH_SDAK    = FHDEV (DEV_SD2_MAJOR, 64),
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|   FH_SDAL    = FHDEV (DEV_SD2_MAJOR, 80),
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|   FH_SDAM    = FHDEV (DEV_SD2_MAJOR, 96),
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|   FH_SDAN    = FHDEV (DEV_SD2_MAJOR, 112),
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|   FH_SDAO    = FHDEV (DEV_SD2_MAJOR, 128),
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|   FH_SDAP    = FHDEV (DEV_SD2_MAJOR, 144),
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|   FH_SDAQ    = FHDEV (DEV_SD2_MAJOR, 160),
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|   FH_SDAR    = FHDEV (DEV_SD2_MAJOR, 176),
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|   FH_SDAS    = FHDEV (DEV_SD2_MAJOR, 192),
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|   FH_SDAT    = FHDEV (DEV_SD2_MAJOR, 208),
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|   FH_SDAU    = FHDEV (DEV_SD2_MAJOR, 224),
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|   FH_SDAV    = FHDEV (DEV_SD2_MAJOR, 240),
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|   FH_SDAW    = FHDEV (DEV_SD3_MAJOR, 0),
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|   FH_SDAX    = FHDEV (DEV_SD3_MAJOR, 16),
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|   FH_SDAY    = FHDEV (DEV_SD3_MAJOR, 32),
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|   FH_SDAZ    = FHDEV (DEV_SD3_MAJOR, 48),
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|   FH_SDBA    = FHDEV (DEV_SD3_MAJOR, 64),
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|   FH_SDBB    = FHDEV (DEV_SD3_MAJOR, 80),
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|   FH_SDBC    = FHDEV (DEV_SD3_MAJOR, 96),
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|   FH_SDBD    = FHDEV (DEV_SD3_MAJOR, 112),
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|   FH_SDBE    = FHDEV (DEV_SD3_MAJOR, 128),
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|   FH_SDBF    = FHDEV (DEV_SD3_MAJOR, 144),
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|   FH_SDBG    = FHDEV (DEV_SD3_MAJOR, 160),
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|   FH_SDBH    = FHDEV (DEV_SD3_MAJOR, 176),
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|   FH_SDBI    = FHDEV (DEV_SD3_MAJOR, 192),
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|   FH_SDBJ    = FHDEV (DEV_SD3_MAJOR, 208),
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|   FH_SDBK    = FHDEV (DEV_SD3_MAJOR, 224),
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|   FH_SDBL    = FHDEV (DEV_SD3_MAJOR, 240),
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|   FH_SDBM    = FHDEV (DEV_SD4_MAJOR, 0),
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|   FH_SDBN    = FHDEV (DEV_SD4_MAJOR, 16),
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|   FH_SDBO    = FHDEV (DEV_SD4_MAJOR, 32),
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|   FH_SDBP    = FHDEV (DEV_SD4_MAJOR, 48),
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|   FH_SDBQ    = FHDEV (DEV_SD4_MAJOR, 64),
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|   FH_SDBR    = FHDEV (DEV_SD4_MAJOR, 80),
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|   FH_SDBS    = FHDEV (DEV_SD4_MAJOR, 96),
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|   FH_SDBT    = FHDEV (DEV_SD4_MAJOR, 112),
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|   FH_SDBU    = FHDEV (DEV_SD4_MAJOR, 128),
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|   FH_SDBV    = FHDEV (DEV_SD4_MAJOR, 144),
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|   FH_SDBW    = FHDEV (DEV_SD4_MAJOR, 160),
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|   FH_SDBX    = FHDEV (DEV_SD4_MAJOR, 176),
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|   FH_SDBY    = FHDEV (DEV_SD4_MAJOR, 192),
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|   FH_SDBZ    = FHDEV (DEV_SD4_MAJOR, 208),
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|   FH_SDCA    = FHDEV (DEV_SD4_MAJOR, 224),
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|   FH_SDCB    = FHDEV (DEV_SD4_MAJOR, 240),
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|   FH_SDCC    = FHDEV (DEV_SD5_MAJOR, 0),
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|   FH_SDCD    = FHDEV (DEV_SD5_MAJOR, 16),
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|   FH_SDCE    = FHDEV (DEV_SD5_MAJOR, 32),
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|   FH_SDCF    = FHDEV (DEV_SD5_MAJOR, 48),
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|   FH_SDCG    = FHDEV (DEV_SD5_MAJOR, 64),
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|   FH_SDCH    = FHDEV (DEV_SD5_MAJOR, 80),
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|   FH_SDCI    = FHDEV (DEV_SD5_MAJOR, 96),
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|   FH_SDCJ    = FHDEV (DEV_SD5_MAJOR, 112),
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|   FH_SDCK    = FHDEV (DEV_SD5_MAJOR, 128),
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|   FH_SDCL    = FHDEV (DEV_SD5_MAJOR, 144),
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|   FH_SDCM    = FHDEV (DEV_SD5_MAJOR, 160),
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|   FH_SDCN    = FHDEV (DEV_SD5_MAJOR, 176),
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|   FH_SDCO    = FHDEV (DEV_SD5_MAJOR, 192),
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|   FH_SDCP    = FHDEV (DEV_SD5_MAJOR, 208),
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|   FH_SDCQ    = FHDEV (DEV_SD5_MAJOR, 224),
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|   FH_SDCR    = FHDEV (DEV_SD5_MAJOR, 240),
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|   FH_SDCS    = FHDEV (DEV_SD6_MAJOR, 0),
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|   FH_SDCT    = FHDEV (DEV_SD6_MAJOR, 16),
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|   FH_SDCU    = FHDEV (DEV_SD6_MAJOR, 32),
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|   FH_SDCV    = FHDEV (DEV_SD6_MAJOR, 48),
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|   FH_SDCW    = FHDEV (DEV_SD6_MAJOR, 64),
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|   FH_SDCX    = FHDEV (DEV_SD6_MAJOR, 80),
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|   FH_SDCY    = FHDEV (DEV_SD6_MAJOR, 96),
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|   FH_SDCZ    = FHDEV (DEV_SD6_MAJOR, 112),
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|   FH_SDDA    = FHDEV (DEV_SD6_MAJOR, 128),
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|   FH_SDDB    = FHDEV (DEV_SD6_MAJOR, 144),
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|   FH_SDDC    = FHDEV (DEV_SD6_MAJOR, 160),
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|   FH_SDDD    = FHDEV (DEV_SD6_MAJOR, 176),
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|   FH_SDDE    = FHDEV (DEV_SD6_MAJOR, 192),
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|   FH_SDDF    = FHDEV (DEV_SD6_MAJOR, 208),
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|   FH_SDDG    = FHDEV (DEV_SD6_MAJOR, 224),
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|   FH_SDDH    = FHDEV (DEV_SD6_MAJOR, 240),
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|   FH_SDDI    = FHDEV (DEV_SD7_MAJOR, 0),
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|   FH_SDDJ    = FHDEV (DEV_SD7_MAJOR, 16),
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|   FH_SDDK    = FHDEV (DEV_SD7_MAJOR, 32),
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|   FH_SDDL    = FHDEV (DEV_SD7_MAJOR, 48),
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|   FH_SDDM    = FHDEV (DEV_SD7_MAJOR, 64),
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|   FH_SDDN    = FHDEV (DEV_SD7_MAJOR, 80),
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|   FH_SDDO    = FHDEV (DEV_SD7_MAJOR, 96),
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|   FH_SDDP    = FHDEV (DEV_SD7_MAJOR, 112),
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|   FH_SDDQ    = FHDEV (DEV_SD7_MAJOR, 128),
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|   FH_SDDR    = FHDEV (DEV_SD7_MAJOR, 144),
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|   FH_SDDS    = FHDEV (DEV_SD7_MAJOR, 160),
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|   FH_SDDT    = FHDEV (DEV_SD7_MAJOR, 176),
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|   FH_SDDU    = FHDEV (DEV_SD7_MAJOR, 192),
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|   FH_SDDV    = FHDEV (DEV_SD7_MAJOR, 208),
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|   FH_SDDW    = FHDEV (DEV_SD7_MAJOR, 224),
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|   FH_SDDX    = FHDEV (DEV_SD7_MAJOR, 240),
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| 
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|   FH_MEM     = FHDEV (1, 1),
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|   FH_KMEM    = FHDEV (1, 2),	/* not implemented yet */
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|   FH_NULL    = FHDEV (1, 3),
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|   FH_PORT    = FHDEV (1, 4),
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|   FH_ZERO    = FHDEV (1, 5),
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|   FH_FULL    = FHDEV (1, 7),
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|   FH_RANDOM  = FHDEV (1, 8),
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|   FH_URANDOM = FHDEV (1, 9),
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|   FH_KMSG    = FHDEV (1, 11),
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|   FH_OSS_DSP = FHDEV (14, 3),
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| 
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|   DEV_CYGDRIVE_MAJOR = 98,
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|   FH_CYGDRIVE= FHDEV (DEV_CYGDRIVE_MAJOR, 0),
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| 
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|   DEV_TCP_MAJOR = 30,
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|   FH_TCP = FHDEV (DEV_TCP_MAJOR, 36),
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|   FH_UDP = FHDEV (DEV_TCP_MAJOR, 39),
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|   FH_ICMP = FHDEV (DEV_TCP_MAJOR, 33),
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|   FH_UNIX = FHDEV (DEV_TCP_MAJOR, 120),
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|   FH_STREAM = FHDEV (DEV_TCP_MAJOR, 121),
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|   FH_DGRAM = FHDEV (DEV_TCP_MAJOR, 122),
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| 
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|   FH_BAD     = FHDEV (0, 0)
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| };
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| 
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| struct device
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| {
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|   const char *name;
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|   union
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|   {
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|     _dev_t devn;
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|     struct
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|     {
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|       _minor_t minor;
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|       _major_t major;
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|     };
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|   };
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|   const char *native;
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|   _mode_t mode;
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|   bool dev_on_fs;
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|   static const device *lookup (const char *, unsigned int = UINT32_MAX);
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|   void parse (const char *);
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|   void parse (_major_t major, _minor_t minor);
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|   void parse (_dev_t dev);
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|   void parsedisk (int, int);
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|   inline bool setunit (unsigned n)
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|   {
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|     minor = n;
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|     return true;
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|   }
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|   static void init ();
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|   void tty_to_real_device ();
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|   inline operator int () const {return devn;}
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|   inline void setfs (bool x) {dev_on_fs = x;}
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|   inline bool isfs () const {return dev_on_fs || devn == FH_FS;}
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|   inline bool is_fs_special () const {return dev_on_fs && devn != FH_FS;}
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| };
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| 
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| extern const device *console_dev;
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| extern const device *ttym_dev;
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| extern const device *ttys_dev;
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| extern const device *urandom_dev;
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| 
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| extern const device dev_dgram_storage;
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| #define dgram_dev (&dev_dgram_storage)
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| extern const device dev_stream_storage;
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| #define stream_dev (&dev_stream_storage)
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| extern const device dev_tcp_storage;
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| #define tcp_dev (&dev_tcp_storage)
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| extern const device dev_udp_storage;
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| #define udp_dev (&dev_udp_storage)
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| 
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| extern const device dev_piper_storage;
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| #define piper_dev (&dev_piper_storage)
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| extern const device dev_pipew_storage;
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| #define pipew_dev (&dev_pipew_storage)
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| extern const device dev_proc_storage;
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| #define proc_dev (&dev_proc_storage)
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| extern const device dev_netdrive_storage;
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| #define netdrive_dev (&dev_netdrive_storage)
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| extern const device dev_cygdrive_storage;
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| #define cygdrive_dev (&dev_cygdrive_storage)
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| extern const device dev_fh_storage;
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| #define fh_dev (&dev_fh_storage)
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| extern const device dev_fs_storage;
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| #define fs_dev (&dev_fs_storage)
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