/*

 * usage.c - usage functions for lsof

 */

/*

 * Copyright 1998 Purdue Research Foundation, West Lafayette, Indiana

 * 47907.  All rights reserved.

 *

 * Written by Victor A. Abell

 *

 * This software is not subject to any license of the American Telephone

 * and Telegraph Company or the Regents of the University of California.

 *

 * Permission is granted to anyone to use this software for any purpose on

 * any computer system, and to alter it and redistribute it freely, subject

 * to the following restrictions:

 *

 * 1. Neither the authors nor Purdue University are responsible for any

 *    consequences of the use of this software.

 *

 * 2. The origin of this software must not be misrepresented, either by

 *    explicit claim or by omission.  Credit to the authors and Purdue

 *    University must appear in documentation and sources.

 *

 * 3. Altered versions must be plainly marked as such, and must not be

 *    misrepresented as being the original software.

 *

 * 4. This notice may not be removed or altered.

 */

#ifndef lint

static char copyright[] =

"@(#) Copyright 1998 Purdue Research Foundation.\nAll rights reserved.\n";

static char *rcsid = "$Id: usage.c,v 1.33 2018/02/14 14:20:14 abe Exp $";

#endif

#include "lsof.h"

#include "version.h"

/*

 * Local function prototypes

 */

_PROTOTYPE(static char *isnullstr,(char *s));

_PROTOTYPE(static int print_in_col,(int col, char *cp));

_PROTOTYPE(static void report_HASDCACHE,(int type, char *ttl, char *det));

_PROTOTYPE(static void report_HASKERNIDCK,(char *pfx, char *verb));

_PROTOTYPE(static void report_SECURITY,(char *pfx, char *punct));

_PROTOTYPE(static void report_WARNDEVACCESS,(char *pfx, char *verb,

					     char *punct));

/*

 * isnullstr() - is it a null string?

 */

static char *

isnullstr(s)

	char *s;			/* string pointer */

{

	if (!s)

		return((char *)NULL);

	while (*s) {

		if (*s != ' ')

			return(s);

		s++;

	}

	return((char *)NULL);

}

/*

 * print_in_col() -- print character string in help column

 */

static int

print_in_col(col, cp)

	int col;				/* column number */

	char *cp;				/* what to print */

{

	if (cp && *cp) {

	    switch (col) {

	    case 1:

		(void) fprintf(stderr, "  %-23.23s", cp);

		break;

	    case 2:

		(void) fprintf(stderr, "  %-25.25s", cp);

		break;

	    default:

		(void) fprintf(stderr, "  %s\n", cp);

		col = 0;

	    }

	    col++;

	}

	return(col);

}

/*

 * report_HASDCACHE() -- report device cache file state

 */

static void

report_HASDCACHE(type, ttl, det)

	int type;				/* type: 0 == read path report

						 *       1 == full report */

	char *ttl;				/* title lines prefix

						 * (NULL if none) */

	char *det;				/* detail lines prefix

						 * (NULL if none) */

{

#if	defined(HASDCACHE)

	char *cp;

	int dx;

# if	defined(WILLDROPGID)

	int saved_Setgid = Setgid;

	Setgid = 0;

# endif	/* defined(WILLDROPGID) */

	if (type) {

	/*

	 * Report full device cache information.

	 */

	    (void) fprintf(stderr, "%sDevice cache file read-only paths:\n",

		ttl ? ttl : "");

	    if ((dx = dcpath(1, 0)) < 0)

		(void) fprintf(stderr, "%snone\n", det ? det : "");

	    else {

		(void) fprintf(stderr, "%sNamed via -D: %s\n",

		    det ? det : "",

		    DCpath[0] ? DCpath[0] : "none");

# if	defined(HASENVDC)

		(void) fprintf(stderr,

		    "%sNamed in environment variable %s: %s\n",

		    det ? det : "",

		    HASENVDC, DCpath[1] ? DCpath[1] : "none");

# endif	/* defined(HASENVDC) */

# if	defined(HASSYSDC)

		if (DCpath[2])

		    (void) fprintf(stderr,

			"%sSystem-wide device cache: %s\n",

			det ? det : "",

			DCpath[2]);

# endif	/* defined(HASSYSDC) */

# if	defined(HASPERSDC)

		(void) fprintf(stderr,

		    "%sPersonal path format (HASPERSDC): \"%s\"\n",

		    det ? det : "",

		    HASPERSDC);

#  if	defined(HASPERSDCPATH)

		(void) fprintf(stderr,

		    "%sModified personal path environment variable: %s\n",

		    det ? det : "",

		    HASPERSDCPATH);

		cp = getenv(HASPERSDCPATH);

		(void) fprintf(stderr, "%s%s value: %s\n",

		    det ? det : "",

		    HASPERSDCPATH, cp ? cp : "none");

#  endif	/* defined(HASPERSDCPATH) */

		(void) fprintf(stderr, "%sPersonal path: %s\n",

		    det ? det : "",

		    DCpath[3] ? DCpath[3] : "none");

# endif	/* defined(HASPERSDC) */

	    }

	    (void) fprintf(stderr, "%sDevice cache file write paths:\n",

		ttl ? ttl : "");

	    if ((dx = dcpath(2, 0)) < 0)

		(void) fprintf(stderr, "%snone\n", det ? det : "");

	    else {

		(void) fprintf(stderr, "%sNamed via -D: %s\n",

		    det ? det : "",

		    DCstate == 2 ? "none"

				 : DCpath[0] ? DCpath[0] : "none");

# if	defined(HASENVDC)

		(void) fprintf(stderr,

		    "%sNamed in environment variable %s: %s\n",

		    det ? det : "",

		    HASENVDC, DCpath[1] ? DCpath[1] : "none");

# endif	/* defined(HASENVDC) */

# if	defined(HASPERSDC)

		(void) fprintf(stderr,

		    "%sPersonal path format (HASPERSDC): \"%s\"\n",

		    det ? det : "",

		    HASPERSDC);

#  if	defined(HASPERSDCPATH)

		(void) fprintf(stderr,

		    "%sModified personal path environment variable: %s\n",

		    det ? det : "",

		    HASPERSDCPATH);

		cp = getenv(HASPERSDCPATH);

		(void) fprintf(stderr, "%s%s value: %s\n",

		    det ? det : "",

		    HASPERSDCPATH, cp ? cp : "none");

#  endif	/* defined(HASPERSDCPATH) */

		 (void) fprintf(stderr, "%sPersonal path: %s\n",

		    det ? det : "",

		    DCpath[3] ? DCpath[3] : "none");

# endif	/* defined(HASPERSDC) */

	    }

	} else {

	/*

	 * Report device cache read file path.

	 */

# if	defined(HASENVDC) || defined(HASPERSDC) || defined(HASSYSDC)

	    cp = NULL;

#  if	defined(HASENVDC)

	    if ((dx = dcpath(1, 0)) >= 0)

		cp = DCpath[1];

#  endif	/* defined(HASENVDC) */

#  if	defined(HASSYSDC)

	    if (!cp)

		cp = HASSYSDC;

#  endif	/* defined(HASSYSDC) */

#  if	defined(HASPERSDC)

	    if (!cp && dx != -1 && (dx = dcpath(1, 0)) >= 0)

		cp = DCpath[3];

#  endif	/* defined(HASPERSDC) */

	    if (cp)

		(void) fprintf(stderr,

		    "%s%s is the default device cache file read path.\n",

		    ttl ? ttl : "",

		    cp

		);

# endif    /* defined(HASENVDC) || defined(HASPERSDC) || defined(HASSYSDC) */

	}

# if	defined(WILLDROPGID)

	Setgid = saved_Setgid;

# endif	/* defined(WILLDROPGID) */

#endif	/* defined(HASDCACHE) */

}

/*

 * report_HASKERNIDCK() -- report HASKERNIDCK state

 */

static void

report_HASKERNIDCK(pfx, verb)

	char *pfx;				/* prefix (NULL if none) */

	char *verb;				/* verb (NULL if none) */

{

	(void) fprintf(stderr, "%sernel ID check %s%s%s.\n",

	    pfx ? pfx : "",

	    verb ? verb : "",

	    verb ? " " : "",

#if	defined(HASKERNIDCK)

		"enabled"

#else	/* !defined(HASKERNIDCK) */

		"disabled"

#endif	/* defined(HASKERNIDCK) */

	    );

}

/*

 * report_SECURITY() -- report *SECURITY states

 */

static void

report_SECURITY(pfx, punct)

	char *pfx;				/* prefix (NULL if none) */

	char *punct;				/* short foem punctuation

						 * (NULL if none) */

{

	fprintf(stderr, "%s%s can list all files%s",

	    pfx ? pfx : "",

#if	defined(HASSECURITY)

	    "Only root",

# if	defined(HASNOSOCKSECURITY)

	    ", but anyone can list socket files.\n"

# else	/* !defined(HASNOSOCKSECURITY) */

	    punct ? punct : ""

# endif	/* defined(HASNOSOCKSECURITY) */

#else	/* !defined(HASSECURITY) */

	    "Anyone",

	    punct ? punct : ""

#endif	/* defined(HASSECURITY) */

	);

}

/*

 * report_WARNDEVACCESS() -- report WEARNDEVACCESS state

 */

static void

report_WARNDEVACCESS(pfx, verb, punct)

	char *pfx;				/* prefix (NULL if none) */

	char *verb;				/* verb (NULL if none) */

	char *punct;				/* punctuation */

{

	(void) fprintf(stderr, "%s/dev warnings %s%s%s%s",

	    pfx ? pfx : "",

	    verb ? verb : "",

	    verb ? " " : "",

#if	defined(WARNDEVACCESS)

	    "enabled",

#else	/* !defined(WARNDEVACCESS) */

	    "disabled",

#endif	/* defined(WARNDEVACCESS) */

	    punct);

}

/*

 * usage() - display usage and exit

 */

void

usage(xv, fh, version)

	int xv;				/* exit value */

	int fh;				/* ``-F ?'' status */

	int version;			/* ``-v'' status */

{

	char buf[MAXPATHLEN+1], *cp, *cp1, *cp2;

	int col, i;

	if (Fhelp || xv) {

	    (void) fprintf(stderr, "%s %s\n latest revision: %s\n",

		Pn, LSOF_VERSION, LSOF_REPO_URL);

	    (void) fprintf(stderr, " latest FAQ: %s\n", LSOF_FAQ_URL);

	    (void) fprintf(stderr, " latest (non-formatted) man page: %s\n", LSOF_MAN_URL);

	    (void) fprintf(stderr,

		" usage: [-?ab%sh%slnNoOP%s%stUvV%s]",

#if	defined(HASNCACHE)

		"C",

#else	/* !defined(HASNCACHE) */

		"",

#endif	/* defined(HASNCACHE) */

#if	defined(HASTASKS)

		"K",

#else	/* !defined(HASTASKS) */

		"",

#endif	/* defined(HASTASKS) */

#if	defined(HASPPID)

		"R",

#else	/* !defined(HASPPID) */

		"",

#endif	/* defined(HASPPID) */

#if	defined(HASTCPUDPSTATE)

		"",

#else	/* !defined(HASTCPUDPSTATE) */

		"s",

#endif	/* defined(HASTCPUDPSTATE) */

#if	defined(HASXOPT)

# if	defined(HASXOPT_ROOT)

		(Myuid == 0) ? "X" : ""

# else	/* !defined(HASXOPT_ROOT) */

		"X"

# endif	/* defined(HASXOPT_ROOT) */

#else	/* !defined(HASXOPT) */

		""

#endif	/* defined(HASXOPT) */

	    );

#if	defined(HAS_AFS) && defined(HASAOPT)

	    (void) fprintf(stderr, " [-A A]");

#endif	/* defined(HAS_AFS) && defined(HASAOPT) */

	    (void) fprintf(stderr, " [+|-c c] [+|-d s] [+%sD D]%s",

#if	defined(HASDCACHE)

		"|-",

#else	/* !defined(HASDCACHE) */

		"",

#endif	/* defined(HASDCACHE) */

#if	defined(HASEPTOPTS)

		" [+|-E]"

#else	/* !defined(HASEPTOPTS) */

		""

#endif	/* defined(HASEPTOPTS) */

		);

	    (void) fprintf(stderr,

		" %s[+|-f%s%s%s%s%s%s]\n [-F [f]] [-g [s]] [-i [i]]",

#if	defined(HASEOPT)

		"[+|-e s] ",

#else	/* !defined(HASEOPT) */

		"",

#endif	/* defined(HASEOPT) */

#if	defined(HASFSTRUCT)

		"[",

# if	defined(HASNOFSCOUNT)

		"",

# else	/* !defined(HASNOFSCOUNT) */

		"c",

# endif	/* defined(HASNOFSCOUNT) */

# if	defined(HASNOFSADDR)

		"",

# else	/* !defined(HASNOFSADDR) */

		"f",

# endif	/* defined(HASNOFSADDR) */

# if	defined(HASNOFSFLAGS)

		"",

# else	/* !defined(HASNOFSFLAGS) */

		"gG",

# endif	/* defined(HASNOFSFLAGS) */

# if	defined(HASNOFSNADDR)

		"",

# else	/* !defined(HASNOFSNADDR) */

		"n",

# endif	/* defined(HASNOFSNADDR) */

		"]"

#else	/* !defined(HASFSTRUCT) */

		"", "", "", "", "", ""

#endif	/* defined(HASFSTRUCT) */

		);

#if	defined(HASKOPT)

	    (void) fprintf(stderr, " [-k k]");

#endif	/* defined(HASKOPT) */

	    (void) fprintf(stderr, " [+|-L [l]]");

#if	defined(HASMOPT) || defined(HASMNTSUP)

	    (void) fprintf(stderr,

# if	defined(HASMOPT)

#  if	defined(HASMNTSUP)

		" [+|-m [m]]"

#  else	/* !defined(HASMNTSUP) */

		" [-m m]"

#  endif	/* defined(HASMNTSUP) */

# else	/* !defined(HASMOPT) */

		" [+m [m]]"

# endif	/* defined(HASMOPT) */

		);

#endif	/* defined(HASMOPT) || defined(HASMNTSUP) */

#if	!defined(HASNORPC_H)

	    (void) fprintf(stderr, " [+|-M]");

#endif	/* !defined(HASNORPC_H) */

	    (void) fprintf(stderr,

		" [-o [o]] [-p s]\n [+|-r [t]]%s [-S [t]] [-T [t]]",

#if	defined(HASTCPUDPSTATE)

		" [-s [p:s]]"

#else	/* !defined(HASTCPUDPSTATE) */

		""

#endif	/* defined(HASTCPUDPSTATE) */

		);

	    (void) fprintf(stderr, " [-u s] [+|-w] [-x [fl]]");

#if	defined(HASZONES)

	    (void) fprintf(stderr, " [-z [z]]");

#else	/* !defined(HASZONES) */

# if	defined(HASSELINUX)

	    if (CntxStatus)

		(void) fprintf(stderr, " [-Z [Z]]");

# endif	/* defined(HASSELINUX) */

#endif	/* defined(HASZONES) */

	    (void) fprintf(stderr, " [--] [names]\n");

	}

	if (xv && !Fhelp) {

	    (void) fprintf(stderr,

		"Use the ``-h'' option to get more help information.\n");

	    if (!fh)

    		Exit(xv);

	}

	if (Fhelp) {

	    (void) fprintf(stderr,

		"Defaults in parentheses; comma-separated set (s) items;");

	    (void) fprintf(stderr, " dash-separated ranges.\n");

	    col = print_in_col(1, "-?|-h list help");

	    col = print_in_col(col, "-a AND selections (OR)");

	    col = print_in_col(col, "-b avoid kernel blocks");

	    col = print_in_col(col,  "-c c  cmd c ^c /c/[bix]");

	    (void) snpf(buf, sizeof(buf), "+c w  COMMAND width (%d)", CMDL);

	    col = print_in_col(col, buf);

#if	defined(HASNCACHE)

	   col = print_in_col(col, "-C no kernel name cache");

#endif	/* defined(HASNCACHE) */

	    col = print_in_col(col, "+d s  dir s files");

	    col = print_in_col(col,  "-d s  select by FD set");

	    col = print_in_col(col,  "+D D  dir D tree *SLOW?*");

#if	defined(HASDCACHE)

	    if (Setuidroot)

		cp = "?|i|r";

# if	!defined(WILLDROPGID)

	    else if (Myuid)

		cp = "?|i|r<path>";

# endif	/* !defined(WILLDROPGID) */

	    else

		cp = "?|i|b|r|u[path]";

	    (void) snpf(buf, sizeof(buf), "-D D  %s", cp);

#else	/* !defined(HASDCACHE) */

	    buf[0] = '\0';

#endif	/* defined(HASDCACHE) */

	    col = print_in_col(col, buf);

#if	defined(HASEOPT)

	    col = print_in_col(col, "+|-e s  exempt s *RISKY*");

#endif	/* defined(HASEOPT) */

	    (void) snpf(buf, sizeof(buf), "-i select IPv%s files",

#if	defined(HASIPv6)

			  "[46]"

#else	/* !defined(HASIPv6) */

			  "4"

#endif	/* defined(HASIPv6) */

			  );

	    col = print_in_col(col, buf);

#if	defined(HASTASKS)

/* DEBUG	    col = print_in_col(col, "-K list tasKs (threads)");	*/

	    col = print_in_col(col, "-K [i] list|(i)gn tasKs");

#endif	/* defined(HASTASKS) */

	    col = print_in_col(col, "-l list UID numbers");

	    col = print_in_col(col, "-n no host names");

	    col = print_in_col(col, "-N select NFS files");

	    col = print_in_col(col, "-o list file offset");

	    col = print_in_col(col, "-O no overhead *RISKY*");

	    col = print_in_col(col, "-P no port names");

#if	defined(HASPPID)

	     col = print_in_col(col, "-R list paRent PID");

#endif	/* defined(HASPPID) */

	    col = print_in_col(col,  "-s list file size");

	    col = print_in_col(col,  "-t terse listing");

	    col = print_in_col(col,  "-T disable TCP/TPI info");

	    col = print_in_col(col,  "-U select Unix socket");

	    col = print_in_col(col,  "-v list version info");

	    col = print_in_col(col,  "-V verbose search");

	    (void) snpf(buf, sizeof(buf), "+|-w  Warnings (%s)",

#if	defined(WARNINGSTATE)

		"-");

#else	/* !defined(WARNINGSTATE) */

		"+");

#endif	/* defined(WARNINGSTATE) */

	    col = print_in_col(col, buf);

#if	defined(HASXOPT)

# if	defined(HASXOPT_ROOT)

	    if (Myuid == 0)

		(void) snpf(buf, sizeof(buf), "-X %s", HASXOPT);

	    else

		buf[0] = '\0';

# else	/* !defined(HASXOPT_ROOT) */

	    (void) snpf(buf, sizeof(buf), "-X %s", HASXOPT);

# endif	/* defined(HASXOPT_ROOT) */

# else	/* !defined(HASXOPT) */

	    buf[0] = '\0';

#endif	/* defined(HASXOPT) */

	    col = print_in_col(col, buf);

#if	defined(HASZONES)

	    col = print_in_col(col, "-z z  zone [z]");

#endif	/* defined(HASZONES) */

#if	defined(HASSELINUX)

	    col = print_in_col(col, "-Z Z  context [Z]");

#endif	/* defined(HASSELINUX) */

	    col = print_in_col(col, "-- end option scan");

	    if (col != 1)

		(void) fprintf(stderr, "\n");

#if	defined(HASEPTOPTS)

	    (void) fprintf(stderr, "  %-36.36s  %s\n",

		"-E display endpoint info",

		"+E display endpoint info and files"

	    );

#endif	/* defined(HASEPTOPTS) */

	    (void) fprintf(stderr, "  %-36.36s",

		"+f|-f  +filesystem or -file names");

#if	defined(HASFSTRUCT)

	    (void) fprintf(stderr,

		"  +|-f[%s%s%s%s]%s%s%s%s %s%s%s%s%s%s%s\n",

# if	defined(HASNOFSCOUNT)

		"",

# else	/* !defined(HASNOFSCOUNT) */

		"c",

# endif	/* defined(HASNOFSCOUNT) */

# if	defined(HASNOFSADDR)

		"",

# else	/* !defined(HASNOFSADDR) */

		"f",

# endif	/* defined(HASNOFSADDR) */

# if	defined(HASNOFSFLAGS)

		"",

# else	/* !defined(HASNOFSFLAGS) */

		"gG",

# endif	/* defined(HASNOFSFLAGS) */

# if	defined(HASNOFSNADDR)

		"",

# else	/* !defined(HASNOFSNADDR) */

		"n",

# endif	/* defined(HASNOFSNADDR) */

# if	defined(HASNOFSCOUNT)

		"",

# else	/* !defined(HASNOFSCOUNT) */

		" Ct",

# endif	/* defined(HASNOFSCOUNT) */

# if	defined(HASNOFSADDR)

		"",

# else	/* !defined(HASNOFSADDR) */

		" Fstr",

# endif	/* defined(HASNOFSADDR) */

# if	defined(HASNOFSFLAGS)

		"",

# else	/* !defined(HASNOFSFLAGS) */

		" flaGs",

# endif	/* defined(HASNOFSFLAGS) */

# if	defined(HASNOFSNADDR)

		"",

# else	/* !defined(HASNOFSNADDR) */

		" Node",

# endif	/* defined(HASNOFSNADDR) */

		Fsv ? "(" : "",

		(Fsv & FSV_CT) ? "C" : "",

		(Fsv & FSV_FA) ? "F" : "",

		((Fsv & FSV_FG) && FsvFlagX)  ? "g" : "",

		((Fsv & FSV_FG) && !FsvFlagX) ? "G" : "",

		(Fsv & FSV_NI) ? "N" : "",

		Fsv ? ")" : "");

#else	/* !defined(HASFSTRUCT) */

	    putc('\n', stderr);

#endif	/* defined(HASFSTRUCT) */

	    (void) fprintf(stderr, "  %-36.36s",

		"-F [f] select fields; -F? for help");

#if	defined(HASKOPT)

	    (void) fprintf(stderr,

		"  -k k   kernel symbols (%s)\n",

		Nmlst ? Nmlst

# if	defined(N_UNIX)

		      : N_UNIX

# else	/* !defined(N_UNIX) */

		      : (Nmlst = get_nlist_path(1)) ? Nmlst

						    : "none found"

# endif	/* defined(N_UNIX) */

	    );

#else	/* !defined(HASKOPT) */

	    putc('\n', stderr);

#endif	/* defined(HASKOPT) */

	    (void) fprintf(stderr,

		"  +|-L [l] list (+) suppress (-) link counts < l (0 = all; default = 0)\n");

#if	defined(HASMOPT) || defined(HASMNTSUP)

# if	defined(HASMOPT)

	    (void) snpf(buf, sizeof(buf), "-m m   kernel memory (%s)", KMEM);

# else	/* !defined(HASMOPT) */

	    buf[0] = '\0';

# endif	/* defined(HASMOPT) */

	    (void) fprintf(stderr, "  %-36.36s", buf);

# if	defined(HASMNTSUP)

	    (void) fprintf(stderr, "  +m [m] use|create mount supplement\n");

# else	/* !defined(HASMNTSUP) */

	    (void) fprintf(stderr, "\n");

# endif	/* defined(HASMNTSUP) */

#endif	/* defined(HASMOPT) || defined(HASMNTSUP) */

#if	!defined(HASNORPC_H)

	    (void) snpf(buf, sizeof(buf), "+|-M   portMap registration (%s)",

# if	defined(HASPMAPENABLED)

		"+"

# else	/* !defined(HASPMAPENABLED) */

		"-"

# endif	/* defined(HASPMAPENABLED) */

	    );

#else	/* defined(HASNORPC_H) */

	    buf[0] = '\0';

#endif	/* !defined(HASNORPC_H) */

	    (void) fprintf(stderr, "  %-36.36s", buf);

	    (void) snpf(buf, sizeof(buf), "-o o   o 0t offset digits (%d)",

		OFFDECDIG);

	    (void) fprintf(stderr, "  %s\n", buf);

	    (void) fprintf(stderr, "  %-36.36s",

		"-p s   exclude(^)|select PIDs");

	    (void) fprintf(stderr, "  -S [t] t second stat timeout (%d)\n",

		TMLIMIT);

	    (void) snpf(buf, sizeof(buf),

		"-T %s%ss%s TCP/TPI %s%sSt%s (s) info",

#if	defined(HASSOOPT) || defined(HASSOSTATE) || defined(HASTCPOPT)

		"f",

#else	/* !defined(HASSOOPT) && !defined(HASSOSTATE) && !defined(HASTCPOPT)*/

		"",

#endif	/* defined(HASSOOPT) || defined(HASSOSTATE) || defined(HASTCPOPT)*/

#if 	defined(HASTCPTPIQ)

		"q",

#else	/* !defined(HASTCPTPIQ) */

		" ",

#endif	/* defined(HASTCPTPIQ) */

#if 	defined(HASTCPTPIW)

		"w",

#else	/* !defined(HASTCPTPIW) */

		"",

#endif	/* defined(HASTCPTPIW) */

#if	defined(HASSOOPT) || defined(HASSOSTATE) || defined(HASTCPOPT)

		"Fl,",

#else	/* !defined(HASSOOPT) && !defined(HASSOSTATE) && !defined(HASTCPOPT)*/

		"",

#endif	/* defined(HASSOOPT) || defined(HASSOSTATE) || defined(HASTCPOPT)*/

#if 	defined(HASTCPTPIQ)

		"Q,",

#else	/* !defined(HASTCPTPIQ) */

		"",

#endif	/* defined(HASTCPTPIQ) */

#if 	defined(HASTCPTPIW)

		",Win"

#else	/* !defined(HASTCPTPIW) */

		""

#endif	/* defined(HASTCPTPIW) */

	    );

	    (void) fprintf(stderr, "  %s\n", buf);

#if	defined(HAS_AFS) && defined(HASAOPT)

	    (void) fprintf(stderr,

		"  -A A   AFS name list file (%s)\n", AFSAPATHDEF);

#endif	/* defined(HAS_AFS) && defined(HASAOPT) */

	    (void) fprintf(stderr,

		"  -g [s] exclude(^)|select and print process group IDs\n");

	    (void) fprintf(stderr, "  -i i   select by IPv%s address:",

#if	defined(HASIPv6)

			  "[46]"

#else	/* !defined(HASIPv6) */

			  "4"

#endif	/* defined(HASIPv6) */

			  );

	    (void) fprintf(stderr,

		" [%s][proto][@host|addr][:svc_list|port_list]\n",

#if	defined(HASIPv6)

		"46"

#else	/* !defined(HASIPv6) */

		"4"

#endif	/* defined(HASIPv6) */

		);

	    (void) fprintf(stderr,

		"  +|-r [%s] repeat every t seconds (%d); %s",

#if	defined(HAS_STRFTIME)

		"t[m<fmt>]",

#else	/* !defined(has_STRFTIME) */

		"t",

#endif	/* defined(HAS_STRFTIME) */

		RPTTM,

		" + until no files, - forever.\n");

#if	defined(HAS_STRFTIME)

	    (void) fprintf(stderr,

		"       An optional suffix to t is m<fmt>; m must separate %s",

		"t from <fmt> and\n");

	    (void) fprintf(stderr, "      <fmt> is an strftime(3) format %s",

		"for the marker line.\n");

#endif	/* defined(HAS_STRFTIME) */

#if	defined(HASTCPUDPSTATE)

	    (void) fprintf(stderr,

		"  -s p:s  exclude(^)|select protocol (p = TCP|UDP) states");

	    (void) fprintf(stderr, " by name(s).\n");

#endif	/* defined(HASTCPUDPSTATE) */

	    (void) fprintf(stderr,

		"  -u s   exclude(^)|select login|UID set s\n");

	    (void) fprintf(stderr,

		"  -x [fl] cross over +d|+D File systems or symbolic Links\n");

	    (void) fprintf(stderr,

		"  names  select named files or files on named file systems\n");

	    (void) report_SECURITY(NULL, "; ");

	    (void) report_WARNDEVACCESS(NULL, NULL, ";");

	    (void) report_HASKERNIDCK(" k", NULL);

	    (void) report_HASDCACHE(0, NULL, NULL);

#if	defined(DIALECT_WARNING)

	    (void) fprintf(stderr, "WARNING: %s\n", DIALECT_WARNING);

#endif	/* defined(DIALECT_WARNING) */

	}

	if (fh) {

	    (void) fprintf(stderr, "%s:\tID    field description\n", Pn);

	    for (i = 0; FieldSel[i].nm; i++) {

#if	!defined(HASPPID)

		if (FieldSel[i].id == LSOF_FID_PPID)

		    continue;

#endif	/* !defined(HASPPID) */

#if	!defined(HASFSTRUCT)

		if (FieldSel[i].id == LSOF_FID_FA

		||  FieldSel[i].id == LSOF_FID_CT

		||  FieldSel[i].id == LSOF_FID_FG

		||  FieldSel[i].id == LSOF_FID_NI)

		    continue;

#else	/* defined(HASFSTRUCT) */

# if	defined(HASNOFSADDR)

		if (FieldSel[i].id == LSOF_FID_FA)

		    continue;

# endif	/* defined(HASNOFSADDR) */

# if	defined(HASNOFSCOUNT)

		if (FieldSel[i].id == LSOF_FID_CT)

		    continue;

# endif	/* !defined(HASNOFSCOUNT) */