#ifndef lintstatic	char	*sccsid = "@(#)file.c	4.1	(Ultrix)	7/17/90";#endif lint/************************************************************************ *									* *			Copyright (c) 1988 by				* *		Digital Equipment Corporation, Maynard, MA		* *			All rights reserved.				* *									* *   This software is furnished under a license and may be used and	* *   copied  only  in accordance with the terms of such license and	* *   with the  inclusion  of  the  above  copyright  notice.   This	* *   software  or  any  other copies thereof may not be provided or	* *   otherwise made available to any other person.  No title to and	* *   ownership of the software is hereby transferred.			* *									* *   This software is  derived  from  software  received  from  the	* *   University    of   California,   Berkeley,   and   from   Bell	* *   Laboratories.  Use, duplication, or disclosure is  subject  to	* *   restrictions  under  license  agreements  with  University  of	* *   California and with AT&T.						* *									* *   The information in this software is subject to change  without	* *   notice  and should not be construed as a commitment by Digital	* *   Equipment Corporation.						* *									* *   Digital assumes no responsibility for the use  or  reliability	* *   of its software on equipment which is not supplied by Digital.	* *									* ************************************************************************//************************************************************************ *			Modification History				* * 001 Richard Hart, Oct. 21, 1987					* *     Copied from 4.3 BSD code:					* *		file.c 4.12	(Berkeley) 11/17/85			* * 002 Richard Hart, Oct. 21, 1987					* *     Added named pipes for Sys V support, and other things in the	* *     current Ultrix file.c						* * 003 Richard Hart, Oct. 22, 1987					* *     Added use of /etc/magic, like Sys V filecommand			* * 004 Richard Hart, Nov. 5, 1987					* *     Now uses sys/exec.h for support of a.out magic numbers		* * 005 Richard Hart, Nov. 16, 1987					* *     Separated filetype library routine from file command		* * 006 Richard Hart, August 17, 1988					* *     Switched to parse args with getopt.				* * 007 Jon Reeves, November 12, 1988					* *     Fixed declaration of optarg					* ************************************************************************/#include <sys/param.h>#include <stdio.h>#include "filetype.h"char *mfile = "/usr/lib/file/magic";main(argc, argv)char **argv;{	FILE *fl;	register char *p;	char ap[MAXPATHLEN + 1], *s;	char *fname;	int cflag = 0,	    fflag = 0,	    errflg = 0;	extern int optind;	extern char *optarg;	char c;	if (argc < 2) errflg++;	if (!errflg)		while((c = getopt(argc, argv, "cf:m:")) != EOF)			switch (c) {			case 'c':				cflag++;				break;			case 'f':				fflag++;				fname = optarg;				break;			case 'm':				mfile = optarg;				break;			case '?':				errflg++;				break;			default:				fprintf(stderr, "file: illegal option - %c\n",*s);				exit(2);			}		if (errflg) {		fprintf(stderr, "usage: %s [-c] [-m magic-file] [-f source-file] [file ...]\n", argv[0]);		exit(3);	}	mkmtab(1);	/* make the internal table now to catch errors before anything */			/* else is begun.					       */	if (cflag) {		printmtab();		exit(0);		}	if (fflag) {		if ((fl = fopen(fname, "r")) == NULL) {			perror(fname);			exit(2);		}		while ((p = fgets(ap, sizeof ap, fl)) != NULL) {			int l = strlen(p);			if (l>0)				p[l-1] = '\0';			printf("%s:	", p);			filetype(p, PRINT);		}		exit(1);	}	else		for ( ; optind < argc; optind++) {			printf("%s:	", argv[optind]);			filetype(argv[optind], PRINT);			fflush(stdout);		}	exit(0);}