/*-

 * Copyright (c) 1989, 1993

 *	The Regents of the University of California.  All rights reserved.

 *

 * This code is derived from software contributed to Berkeley by

 * Mike Karels at Berkeley Software Design, Inc.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 4. Neither the name of the University nor the names of its contributors

 *    may be used to endorse or promote products derived from this software

 *    without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND

 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE

 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

 * SUCH DAMAGE.

 * © Portions copyright (c) 2007 Symbian Software Ltd. All rights reserved.

 *	@(#)sysctl.h	8.1 (Berkeley) 6/2/93

 * $FreeBSD: src/sys/sys/sysctl.h,v 1.138 2005/04/18 02:10:37 das Exp $

 */

#ifndef _SYS_SYSCTL_H_

#define	_SYS_SYSCTL_H_

#include <sys/queue.h>

struct thread;

/*

 * Definitions for sysctl call.  The sysctl call uses a hierarchical name

 * for objects that can be examined or modified.  The name is expressed as

 * a sequence of integers.  Like a file path name, the meaning of each

 * component depends on its place in the hierarchy.  The top-level and kern

 * identifiers are defined here, and other identifiers are defined in the

 * respective subsystem header files.

 */

#define CTL_MAXNAME	24	/* largest number of components supported */

/*

 * Each subsystem defined by sysctl defines a list of variables

 * for that subsystem. Each name is either a node with further

 * levels defined below it, or it is a leaf of some particular

 * type given below. Each sysctl level defines a set of name/type

 * pairs to be used by sysctl(8) in manipulating the subsystem.

 */

struct ctlname {

	char	*ctl_name;	/* subsystem name */

	int	ctl_type;	/* type of name */

};

#define CTLTYPE		0xf	/* Mask for the type */

#define	CTLTYPE_NODE	1	/* name is a node */

#define	CTLTYPE_INT	2	/* name describes an integer */

#define	CTLTYPE_STRING	3	/* name describes a string */

#define	CTLTYPE_QUAD	4	/* name describes a 64-bit number */

#define	CTLTYPE_OPAQUE	5	/* name describes a structure */

#define	CTLTYPE_STRUCT	CTLTYPE_OPAQUE	/* name describes a structure */

#define	CTLTYPE_UINT	6	/* name describes an unsigned integer */

#define	CTLTYPE_LONG	7	/* name describes a long */

#define	CTLTYPE_ULONG	8	/* name describes an unsigned long */

#define CTLFLAG_RD	0x80000000	/* Allow reads of variable */

#define CTLFLAG_WR	0x40000000	/* Allow writes to the variable */

#define CTLFLAG_RW	(CTLFLAG_RD|CTLFLAG_WR)

#define CTLFLAG_NOLOCK	0x20000000	/* XXX Don't Lock */

#define CTLFLAG_ANYBODY	0x10000000	/* All users can set this var */

#define CTLFLAG_SECURE	0x08000000	/* Permit set only if securelevel<=0 */

#define CTLFLAG_PRISON	0x04000000	/* Prisoned roots can fiddle */

#define CTLFLAG_DYN	0x02000000	/* Dynamic oid - can be freed */

#define CTLFLAG_SKIP	0x01000000	/* Skip this sysctl when listing */

#define CTLMASK_SECURE	0x00F00000	/* Secure level */

#define CTLFLAG_TUN	0x00080000	/* Tunable variable */

#define CTLFLAG_RDTUN	(CTLFLAG_RD|CTLFLAG_TUN)

/*

 * Secure level.   Note that CTLFLAG_SECURE == CTLFLAG_SECURE1.  

 *

 * Secure when the securelevel is raised to at least N.

 */

#define CTLSHIFT_SECURE	20

#define CTLFLAG_SECURE1	(CTLFLAG_SECURE | (0 << CTLSHIFT_SECURE))

#define CTLFLAG_SECURE2	(CTLFLAG_SECURE | (1 << CTLSHIFT_SECURE))

#define CTLFLAG_SECURE3	(CTLFLAG_SECURE | (2 << CTLSHIFT_SECURE))

/*

 * USE THIS instead of a hardwired number from the categories below

 * to get dynamically assigned sysctl entries using the linker-set

 * technology. This is the way nearly all new sysctl variables should

 * be implemented.

 * e.g. SYSCTL_INT(_parent, OID_AUTO, name, CTLFLAG_RW, &variable, 0, "");

 */ 

#define OID_AUTO	(-1)

/*

 * The starting number for dynamically-assigned entries.  WARNING!

 * ALL static sysctl entries should have numbers LESS than this!

 */

#define CTL_AUTO_START	0x100

#ifdef _KERNEL

#define SYSCTL_HANDLER_ARGS struct sysctl_oid *oidp, void *arg1, int arg2, \

	struct sysctl_req *req

/* definitions for sysctl_req 'lock' member */

#define REQ_UNLOCKED	0	/* not locked and not wired */

#define REQ_LOCKED	1	/* locked and not wired */

#define REQ_WIRED	2	/* locked and wired */

/* definitions for sysctl_req 'flags' member */

#if defined(__amd64__) || defined(__ia64__)

#define	SCTL_MASK32	1	/* 32 bit emulation */

#endif

/*

 * This describes the access space for a sysctl request.  This is needed

 * so that we can use the interface from the kernel or from user-space.

 */

struct sysctl_req {

	struct thread	*td;		/* used for access checking */

	int		lock;		/* locking/wiring state */

	void		*oldptr;

	size_t		oldlen;

	size_t		oldidx;

	int		(*oldfunc)(struct sysctl_req *, const void *, size_t);

	void		*newptr;

	size_t		newlen;

	size_t		newidx;

	int		(*newfunc)(struct sysctl_req *, void *, size_t);

	size_t		validlen;

	int		flags;

};

/*

 * This describes one "oid" in the MIB tree.  Potentially more nodes can

 * be hidden behind it, expanded by the handler.

 */

struct sysctl_oid {

	struct sysctl_oid_list *oid_parent;

	SLIST_ENTRY(sysctl_oid) oid_link;

	int		oid_number;

	u_int		oid_kind;

	void		*oid_arg1;

	int		oid_arg2;

	const char	*oid_name;

	int 		(*oid_handler)(SYSCTL_HANDLER_ARGS);

	const char	*oid_fmt;

	int		oid_refcnt;

	const char	*oid_descr;

};

#define SYSCTL_IN(r, p, l) (r->newfunc)(r, p, l)

#define SYSCTL_OUT(r, p, l) (r->oldfunc)(r, p, l)

/* Declare a static oid to allow child oids to be added to it. */

#define SYSCTL_DECL(name)					\

	extern struct sysctl_oid_list sysctl_##name##_children

/* Hide these in macros */

#define	SYSCTL_CHILDREN(oid_ptr) (struct sysctl_oid_list *) \

	(oid_ptr)->oid_arg1

#define	SYSCTL_CHILDREN_SET(oid_ptr, val) \

	(oid_ptr)->oid_arg1 = (val);

#define	SYSCTL_STATIC_CHILDREN(oid_name) \

	(&sysctl_##oid_name##_children)

/* === Structs and macros related to context handling === */

/* All dynamically created sysctls can be tracked in a context list. */

struct sysctl_ctx_entry {

	struct sysctl_oid *entry;

	TAILQ_ENTRY(sysctl_ctx_entry) link;

};

#define SYSCTL_NODE_CHILDREN(parent, name) \

	sysctl_##parent##_##name##_children

/* This constructs a "raw" MIB oid. */

#define SYSCTL_OID(parent, nbr, name, kind, a1, a2, handler, fmt, descr) \

	static struct sysctl_oid sysctl__##parent##_##name = {		 \

		&sysctl_##parent##_children, { 0 },			 \

		nbr, kind, a1, a2, #name, handler, fmt, 0, descr };	 \

	DATA_SET(sysctl_set, sysctl__##parent##_##name)

#define SYSCTL_ADD_OID(ctx, parent, nbr, name, kind, a1, a2, handler, fmt, descr) \

	sysctl_add_oid(ctx, parent, nbr, name, kind, a1, a2, handler, fmt, descr)

/* This constructs a node from which other oids can hang. */

#define SYSCTL_NODE(parent, nbr, name, access, handler, descr)		    \

	struct sysctl_oid_list SYSCTL_NODE_CHILDREN(parent, name);	    \

	SYSCTL_OID(parent, nbr, name, CTLTYPE_NODE|(access),		    \

		   (void*)&SYSCTL_NODE_CHILDREN(parent, name), 0, handler, \

		   "N", descr)

#define SYSCTL_ADD_NODE(ctx, parent, nbr, name, access, handler, descr)	    \

	sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_NODE|(access),	    \

	0, 0, handler, "N", descr)

/* Oid for a string.  len can be 0 to indicate '\0' termination. */

#define SYSCTL_STRING(parent, nbr, name, access, arg, len, descr) \

	SYSCTL_OID(parent, nbr, name, CTLTYPE_STRING|(access), \

		arg, len, sysctl_handle_string, "A", descr)

#define SYSCTL_ADD_STRING(ctx, parent, nbr, name, access, arg, len, descr)  \

	sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_STRING|(access),	    \

	arg, len, sysctl_handle_string, "A", descr)

/* Oid for an int.  If ptr is NULL, val is returned. */

#define SYSCTL_INT(parent, nbr, name, access, ptr, val, descr) \

	SYSCTL_OID(parent, nbr, name, CTLTYPE_INT|(access), \

		ptr, val, sysctl_handle_int, "I", descr)

#define SYSCTL_ADD_INT(ctx, parent, nbr, name, access, ptr, val, descr)	    \

	sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_INT|(access),	    \

	ptr, val, sysctl_handle_int, "I", descr)

/* Oid for an unsigned int.  If ptr is NULL, val is returned. */

#define SYSCTL_UINT(parent, nbr, name, access, ptr, val, descr) \

	SYSCTL_OID(parent, nbr, name, CTLTYPE_UINT|(access), \

		ptr, val, sysctl_handle_int, "IU", descr)

#define SYSCTL_ADD_UINT(ctx, parent, nbr, name, access, ptr, val, descr)    \

	sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_UINT|(access),	    \

	ptr, val, sysctl_handle_int, "IU", descr)

/* Oid for a long.  The pointer must be non NULL. */

#define SYSCTL_LONG(parent, nbr, name, access, ptr, val, descr) \

	SYSCTL_OID(parent, nbr, name, CTLTYPE_LONG|(access), \

		ptr, val, sysctl_handle_long, "L", descr)

#define SYSCTL_ADD_LONG(ctx, parent, nbr, name, access, ptr, descr)	    \

	sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_LONG|(access),	    \

	ptr, 0, sysctl_handle_long, "L", descr)

/* Oid for an unsigned long.  The pointer must be non NULL. */

#define SYSCTL_ULONG(parent, nbr, name, access, ptr, val, descr) \

	SYSCTL_OID(parent, nbr, name, CTLTYPE_ULONG|(access), \

		ptr, val, sysctl_handle_long, "LU", descr)

#define SYSCTL_ADD_ULONG(ctx, parent, nbr, name, access, ptr, descr)	    \

	sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_ULONG|(access),	    \

	ptr, 0, sysctl_handle_long, "LU", descr)

/* Oid for an opaque object.  Specified by a pointer and a length. */

#define SYSCTL_OPAQUE(parent, nbr, name, access, ptr, len, fmt, descr) \

	SYSCTL_OID(parent, nbr, name, CTLTYPE_OPAQUE|(access), \

		ptr, len, sysctl_handle_opaque, fmt, descr)

#define SYSCTL_ADD_OPAQUE(ctx, parent, nbr, name, access, ptr, len, fmt, descr)\

	sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_OPAQUE|(access),	    \

	ptr, len, sysctl_handle_opaque, fmt, descr)

/* Oid for a struct.  Specified by a pointer and a type. */

#define SYSCTL_STRUCT(parent, nbr, name, access, ptr, type, descr) \

	SYSCTL_OID(parent, nbr, name, CTLTYPE_OPAQUE|(access), \

		ptr, sizeof(struct type), sysctl_handle_opaque, \

		"S," #type, descr)

#define SYSCTL_ADD_STRUCT(ctx, parent, nbr, name, access, ptr, type, descr) \

	sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_OPAQUE|(access),	    \

	ptr, sizeof(struct type), sysctl_handle_opaque, "S," #type, descr)

/* Oid for a procedure.  Specified by a pointer and an arg. */

#define SYSCTL_PROC(parent, nbr, name, access, ptr, arg, handler, fmt, descr) \

	SYSCTL_OID(parent, nbr, name, (access), \

		ptr, arg, handler, fmt, descr)

#define SYSCTL_ADD_PROC(ctx, parent, nbr, name, access, ptr, arg, handler, fmt, descr) \

	sysctl_add_oid(ctx, parent, nbr, name, (access),			    \

	ptr, arg, handler, fmt, descr)

#endif /* _KERNEL */

/*

 * Top-level identifiers

 */

#define	CTL_UNSPEC	0		/* unused */

#define	CTL_KERN	1		/* "high kernel": proc, limits */

#define	CTL_VM		2		/* virtual memory */

#define	CTL_VFS		3		/* filesystem, mount type is next */

#define	CTL_NET		4		/* network, see socket.h */

#define	CTL_DEBUG	5		/* debugging parameters */

#define	CTL_HW		6		/* generic cpu/io */

#define	CTL_MACHDEP	7		/* machine dependent */

#define	CTL_USER	8		/* user-level */

#define	CTL_P1003_1B	9		/* POSIX 1003.1B */

#define	CTL_MAXID	10		/* number of valid top-level ids */

#define CTL_NAMES { \

	{ 0, 0 }, \

	{ "kern", CTLTYPE_NODE }, \

	{ "vm", CTLTYPE_NODE }, \

	{ "vfs", CTLTYPE_NODE }, \

	{ "net", CTLTYPE_NODE }, \

	{ "debug", CTLTYPE_NODE }, \

	{ "hw", CTLTYPE_NODE }, \

	{ "machdep", CTLTYPE_NODE }, \

	{ "user", CTLTYPE_NODE }, \

	{ "p1003_1b", CTLTYPE_NODE }, \

}

/*

 * CTL_KERN identifiers

 */

#define	KERN_OSTYPE	 	 1	/* string: system version */

#define	KERN_OSRELEASE	 	 2	/* string: system release */

#define	KERN_OSREV	 	 3	/* int: system revision */

#define	KERN_VERSION	 	 4	/* string: compile time info */

#define	KERN_MAXVNODES	 	 5	/* int: max vnodes */

#define	KERN_MAXPROC	 	 6	/* int: max processes */

#define	KERN_MAXFILES	 	 7	/* int: max open files */

#define	KERN_ARGMAX	 	 8	/* int: max arguments to exec */

#define	KERN_SECURELVL	 	 9	/* int: system security level */

#define	KERN_HOSTNAME		10	/* string: hostname */

#define	KERN_HOSTID		11	/* int: host identifier */

#define	KERN_CLOCKRATE		12	/* struct: struct clockrate */

#define	KERN_VNODE		13	/* struct: vnode structures */

#define	KERN_PROC		14	/* struct: process entries */

#define	KERN_FILE		15	/* struct: file entries */

#define	KERN_PROF		16	/* node: kernel profiling info */

#define	KERN_POSIX1		17	/* int: POSIX.1 version */

#define	KERN_NGROUPS		18	/* int: # of supplemental group ids */

#define	KERN_JOB_CONTROL	19	/* int: is job control available */

#define	KERN_SAVED_IDS		20	/* int: saved set-user/group-ID */

#define	KERN_BOOTTIME		21	/* struct: time kernel was booted */

#define KERN_NISDOMAINNAME	22	/* string: YP domain name */

#define KERN_UPDATEINTERVAL	23	/* int: update process sleep time */

#define KERN_OSRELDATE		24	/* int: kernel release date */

#define KERN_NTP_PLL		25	/* node: NTP PLL control */

#define	KERN_BOOTFILE		26	/* string: name of booted kernel */

#define	KERN_MAXFILESPERPROC	27	/* int: max open files per proc */

#define	KERN_MAXPROCPERUID 	28	/* int: max processes per uid */

#define KERN_DUMPDEV		29	/* struct cdev *: device to dump on */

#define	KERN_IPC		30	/* node: anything related to IPC */

#define	KERN_DUMMY		31	/* unused */

#define	KERN_PS_STRINGS		32	/* int: address of PS_STRINGS */

#define	KERN_USRSTACK		33	/* int: address of USRSTACK */

#define	KERN_LOGSIGEXIT		34	/* int: do we log sigexit procs? */

#define	KERN_IOV_MAX		35	/* int: value of UIO_MAXIOV */

#define KERN_MAXID		36	/* number of valid kern ids */

#define CTL_KERN_NAMES { \

	{ 0, 0 }, \

	{ "ostype", CTLTYPE_STRING }, \

	{ "osrelease", CTLTYPE_STRING }, \

	{ "osrevision", CTLTYPE_INT }, \

	{ "version", CTLTYPE_STRING }, \

	{ "maxvnodes", CTLTYPE_INT }, \

	{ "maxproc", CTLTYPE_INT }, \

	{ "maxfiles", CTLTYPE_INT }, \

	{ "argmax", CTLTYPE_INT }, \

	{ "securelevel", CTLTYPE_INT }, \

	{ "hostname", CTLTYPE_STRING }, \

	{ "hostid", CTLTYPE_UINT }, \

	{ "clockrate", CTLTYPE_STRUCT }, \

	{ "vnode", CTLTYPE_STRUCT }, \

	{ "proc", CTLTYPE_STRUCT }, \

	{ "file", CTLTYPE_STRUCT }, \

	{ "profiling", CTLTYPE_NODE }, \

	{ "posix1version", CTLTYPE_INT }, \

	{ "ngroups", CTLTYPE_INT }, \

	{ "job_control", CTLTYPE_INT }, \

	{ "saved_ids", CTLTYPE_INT }, \

	{ "boottime", CTLTYPE_STRUCT }, \

	{ "nisdomainname", CTLTYPE_STRING }, \

	{ "update", CTLTYPE_INT }, \

	{ "osreldate", CTLTYPE_INT }, \

	{ "ntp_pll", CTLTYPE_NODE }, \

	{ "bootfile", CTLTYPE_STRING }, \

	{ "maxfilesperproc", CTLTYPE_INT }, \

	{ "maxprocperuid", CTLTYPE_INT }, \

	{ "ipc", CTLTYPE_NODE }, \

	{ "dummy", CTLTYPE_INT }, \

	{ "ps_strings", CTLTYPE_INT }, \

	{ "usrstack", CTLTYPE_INT }, \

	{ "logsigexit", CTLTYPE_INT }, \

	{ "iov_max", CTLTYPE_INT }, \

}

/*

 * CTL_VFS identifiers

 */

#define CTL_VFS_NAMES { \

	{ "vfsconf", CTLTYPE_STRUCT }, \

}

/*

 * KERN_PROC subtypes

 */

#define KERN_PROC_ALL		0	/* everything */

#define	KERN_PROC_PID		1	/* by process id */

#define	KERN_PROC_PGRP		2	/* by process group id */

#define	KERN_PROC_SESSION	3	/* by session of pid */

#define	KERN_PROC_TTY		4	/* by controlling tty */

#define	KERN_PROC_UID		5	/* by effective uid */

#define	KERN_PROC_RUID		6	/* by real uid */

#define	KERN_PROC_ARGS		7	/* get/set arguments/proctitle */

#define	KERN_PROC_PROC		8	/* only return procs */

#define	KERN_PROC_SV_NAME	9	/* get syscall vector name */

#define	KERN_PROC_RGID		10	/* by real group id */

#define	KERN_PROC_GID		11	/* by effective group id */

#define	KERN_PROC_PATHNAME	12	/* path to executable */

#define	KERN_PROC_INC_THREAD	0x10	/*

					 * modifier for pid, pgrp, tty,

					 * uid, ruid, gid, rgid and proc

					 */

/*

 * KERN_IPC identifiers

 */

#define KIPC_MAXSOCKBUF		1	/* int: max size of a socket buffer */

#define	KIPC_SOCKBUF_WASTE	2	/* int: wastage factor in sockbuf */

#define	KIPC_SOMAXCONN		3	/* int: max length of connection q */

#define	KIPC_MAX_LINKHDR	4	/* int: max length of link header */

#define	KIPC_MAX_PROTOHDR	5	/* int: max length of network header */

#define	KIPC_MAX_HDR		6	/* int: max total length of headers */

#define	KIPC_MAX_DATALEN	7	/* int: max length of data? */

/*

 * CTL_HW identifiers

 */

#define	HW_MACHINE	 1		/* string: machine class */

#define	HW_MODEL	 2		/* string: specific machine model */

#define	HW_NCPU		 3		/* int: number of cpus */

#define	HW_BYTEORDER	 4		/* int: machine byte order */

#define	HW_PHYSMEM	 5		/* int: total memory */

#define	HW_USERMEM	 6		/* int: non-kernel memory */

#define	HW_PAGESIZE	 7		/* int: software page size */

#define	HW_DISKNAMES	 8		/* strings: disk drive names */

#define	HW_DISKSTATS	 9		/* struct: diskstats[] */

#define HW_FLOATINGPT	10		/* int: has HW floating point? */

#define HW_MACHINE_ARCH	11		/* string: machine architecture */

#define	HW_REALMEM	12		/* int: 'real' memory */

#define	HW_MAXID	13		/* number of valid hw ids */

#define CTL_HW_NAMES { \

	{ 0, 0 }, \

	{ "machine", CTLTYPE_STRING }, \

	{ "model", CTLTYPE_STRING }, \

	{ "ncpu", CTLTYPE_INT }, \

	{ "byteorder", CTLTYPE_INT }, \

	{ "physmem", CTLTYPE_ULONG }, \

	{ "usermem", CTLTYPE_ULONG }, \

	{ "pagesize", CTLTYPE_INT }, \

	{ "disknames", CTLTYPE_STRUCT }, \

	{ "diskstats", CTLTYPE_STRUCT }, \

	{ "floatingpoint", CTLTYPE_INT }, \

	{ "realmem", CTLTYPE_ULONG }, \

}

/*

 * CTL_USER definitions

 */

#define	USER_CS_PATH		 1	/* string: _CS_PATH */

#define	USER_BC_BASE_MAX	 2	/* int: BC_BASE_MAX */

#define	USER_BC_DIM_MAX		 3	/* int: BC_DIM_MAX */

#define	USER_BC_SCALE_MAX	 4	/* int: BC_SCALE_MAX */

#define	USER_BC_STRING_MAX	 5	/* int: BC_STRING_MAX */

#define	USER_COLL_WEIGHTS_MAX	 6	/* int: COLL_WEIGHTS_MAX */

#define	USER_EXPR_NEST_MAX	 7	/* int: EXPR_NEST_MAX */

#define	USER_LINE_MAX		 8	/* int: LINE_MAX */

#define	USER_RE_DUP_MAX		 9	/* int: RE_DUP_MAX */

#define	USER_POSIX2_VERSION	10	/* int: POSIX2_VERSION */

#define	USER_POSIX2_C_BIND	11	/* int: POSIX2_C_BIND */

#define	USER_POSIX2_C_DEV	12	/* int: POSIX2_C_DEV */

#define	USER_POSIX2_CHAR_TERM	13	/* int: POSIX2_CHAR_TERM */

#define	USER_POSIX2_FORT_DEV	14	/* int: POSIX2_FORT_DEV */

#define	USER_POSIX2_FORT_RUN	15	/* int: POSIX2_FORT_RUN */

#define	USER_POSIX2_LOCALEDEF	16	/* int: POSIX2_LOCALEDEF */

#define	USER_POSIX2_SW_DEV	17	/* int: POSIX2_SW_DEV */

#define	USER_POSIX2_UPE		18	/* int: POSIX2_UPE */

#define	USER_STREAM_MAX		19	/* int: POSIX2_STREAM_MAX */

#define	USER_TZNAME_MAX		20	/* int: POSIX2_TZNAME_MAX */

#define	USER_MAXID		21	/* number of valid user ids */

#define	CTL_USER_NAMES { \

	{ 0, 0 }, \

	{ "cs_path", CTLTYPE_STRING }, \

	{ "bc_base_max", CTLTYPE_INT }, \

	{ "bc_dim_max", CTLTYPE_INT }, \

	{ "bc_scale_max", CTLTYPE_INT }, \

	{ "bc_string_max", CTLTYPE_INT }, \