1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 1988 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28 /* All Rights Reserved */ 29 30 /* 31 * University Copyright- Copyright (c) 1982, 1986, 1988 32 * The Regents of the University of California 33 * All Rights Reserved 34 * 35 * University Acknowledgment- Portions of this document are derived from 36 * software developed by the University of California, Berkeley, and its 37 * contributors. 38 */ 39 40 #pragma ident "%Z%%M% %I% %E% SMI" 41 42 /* 43 * printenv 44 */ 45 46 extern char **environ; 47 48 main(argc, argv) 49 int argc; 50 char *argv[]; 51 { 52 register char **ep; 53 int found = 0; 54 55 argc--, argv++; 56 if (environ) 57 for (ep = environ; *ep; ep++) 58 if (argc == 0 || prefix(argv[0], *ep)) { 59 register char *cp = *ep; 60 61 found++; 62 if (argc) { 63 while (*cp && *cp != '=') 64 cp++; 65 if (*cp == '=') 66 cp++; 67 } 68 (void)printf("%s\n", cp); 69 } 70 exit (!found); 71 /* NOTREACHED */ 72 } 73 74 prefix(cp, dp) 75 char *cp, *dp; 76 { 77 78 while (*cp && *dp && *cp == *dp) 79 cp++, dp++; 80 if (*cp == 0) 81 return (*dp == '='); 82 return (0); 83 } 84