1 /* Declarations for getopt (POSIX compatibility shim). 2 Copyright (C) 1989-2022 Free Software Foundation, Inc. 3 Unlike the bulk of the getopt implementation, this file is NOT part 4 of gnulib. 5 6 The GNU C Library is free software; you can redistribute it and/or 7 modify it under the terms of the GNU Lesser General Public 8 License as published by the Free Software Foundation; either 9 version 2.1 of the License, or (at your option) any later version. 10 11 The GNU C Library is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 Lesser General Public License for more details. 15 16 You should have received a copy of the GNU Lesser General Public 17 License along with the GNU C Library; if not, see 18 <https://www.gnu.org/licenses/>. */ 19 20 #ifndef _GETOPT_POSIX_H 21 #define _GETOPT_POSIX_H 1 22 23 #if !defined _UNISTD_H && !defined _STDIO_H 24 #error "Never include getopt_posix.h directly; use unistd.h instead." 25 #endif 26 27 #include <bits/getopt_core.h> 28 29 __BEGIN_DECLS 30 31 #if defined __USE_POSIX2 && !defined __USE_POSIX_IMPLICITLY \ 32 && !defined __USE_GNU && !defined _GETOPT_H 33 /* GNU getopt has more functionality than POSIX getopt. When we are 34 explicitly conforming to POSIX and not GNU, and getopt.h (which is 35 not part of POSIX) has not been included, the extra functionality 36 is disabled. */ 37 # ifdef __REDIRECT 38 extern int __REDIRECT_NTH (getopt, (int ___argc, char *const *___argv, 39 const char *__shortopts), 40 __posix_getopt); 41 # else 42 extern int __posix_getopt (int ___argc, char *const *___argv, 43 const char *__shortopts) 44 __THROW __nonnull ((2, 3)); 45 # define getopt __posix_getopt 46 # endif 47 #endif 48 49 __END_DECLS 50 51 #endif /* getopt_posix.h */ 52