/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2005 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ /* All Rights Reserved */ /* * University Copyright- Copyright (c) 1982, 1986, 1988 * The Regents of the University of California * All Rights Reserved * * University Acknowledgment- Portions of this document are derived from * software developed by the University of California, Berkeley, and its * contributors. */ #pragma ident "%Z%%M% %I% %E% SMI" /* * printenv */ #include <stdio.h> extern char **environ; static int prefix(char *cp, char *dp); int main(int argc, char *argv[]) { char **ep; int found = 0; argc--, argv++; if (environ) for (ep = environ; *ep; ep++) if (argc == 0 || prefix(argv[0], *ep)) { char *cp = *ep; found++; if (argc) { while (*cp && *cp != '=') cp++; if (*cp == '=') cp++; } (void) printf("%s\n", cp); } return (!found); } static int prefix(char *cp, char *dp) { while (*cp && *dp && *cp == *dp) cp++, dp++; if (*cp == 0) return (*dp == '='); return (0); }