/* getopt (GNU extensions) gnulib wrapper header. Copyright (C) 1989-2017 Free Software Foundation, Inc. This file is part of gnulib. Unlike most of the getopt implementation, it is NOT shared with the GNU C Library. This file is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This file is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with gnulib; if not, see . */ #ifndef _GETOPT_PFX_EXT_H #define _GETOPT_PFX_EXT_H 1 /* This header should not be used directly; include getopt.h instead. It does not have a protective #error, because the guard macro for getopt.h in gnulib is not fixed. */ /* Standalone applications should #define __GETOPT_PREFIX to an identifier that prefixes the external functions and variables defined in getopt-core.h and getopt-ext.h. Systematically rename identifiers so that they do not collide with the system functions and variables. Renaming avoids problems with some compilers and linkers. */ #ifdef __GETOPT_PREFIX # ifndef __GETOPT_ID # define __GETOPT_CONCAT(x, y) x ## y # define __GETOPT_XCONCAT(x, y) __GETOPT_CONCAT (x, y) # define __GETOPT_ID(y) __GETOPT_XCONCAT (__GETOPT_PREFIX, y) # endif # undef getopt_long # undef getopt_long_only # undef option # undef _getopt_internal # define getopt_long __GETOPT_ID (getopt_long) # define getopt_long_only __GETOPT_ID (getopt_long_only) # define option __GETOPT_ID (option) # define _getopt_internal __GETOPT_ID (getopt_internal) /* The system's getopt.h may have already included getopt-ext.h to declare the unprefixed identifiers. Undef _GETOPT_EXT_H so that getopt-ext.h declares them with prefixes. */ # undef _GETOPT_EXT_H #endif /* Standalone applications get correct prototypes for getopt_long and getopt_long_only; they declare "char **argv". For backward compatibility with old applications, if __GETOPT_PREFIX is not defined, we supply GNU-libc-compatible, but incorrect, prototypes using "char *const *argv". (GNU libc is stuck with the incorrect prototypes, as they are baked into older versions of LSB.) */ #ifndef __getopt_argv_const # if defined __GETOPT_PREFIX # define __getopt_argv_const /* empty */ # else # define __getopt_argv_const const # endif #endif #include #endif /* _GETOPT_PFX_EXT_H */