1 /*- 2 * SPDX-License-Identifier: BSD-4-Clause 3 * 4 * Copyright (c) 1996-1999 5 * HD Associates, Inc. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by HD Associates, Inc 18 * 4. Neither the name of the author nor the names of any co-contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY HD ASSOCIATES AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL HD ASSOCIATES OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * $FreeBSD$ 35 */ 36 #define _POSIX_SOURCE 37 #define _POSIX_C_SOURCE 199309L 38 #include <unistd.h> 39 #include <stdio.h> 40 41 int p26(int ac, char *av[]) 42 { 43 int ret = 0; 44 45 #ifndef _POSIX_VERSION 46 printf("POSIX is not supported.\n"); 47 ret = -1; 48 #else /* _POSIX_VERSION */ 49 50 #if (_POSIX_VERSION == 198808L) 51 printf("POSIX.1 is supported but not POSIX.1B (FIPS 151-1)\n"); 52 #elif (_POSIX_VERSION == 199009L) 53 printf("POSIX.1 is supported but not POSIX.1B (FIPS 151-2)\n"); 54 #elif (_POSIX_VERSION >= 199309L) 55 printf("POSIX.1 and POSIX.1B are supported.\n"); 56 #else 57 printf("_POSIX_VERSION (%ld) not 198808, 199009, or >= 199309.\n", 58 _POSIX_VERSION); 59 ret = -1; 60 #endif 61 62 #endif /* _POSIX_VERSION */ 63 return ret; 64 } 65 #ifdef STANDALONE_TESTS 66 int main(int argc, char *argv[]) { return p26(argc, argv); } 67 #endif 68