/* c-std.h: the first header files. Copyright 1992, 1993, 1994, 1995, 1996, 1997, 2008, 2012 Karl Berry. Copyright 1999, 2005 Olaf Weber. This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, see . */ #ifndef KPATHSEA_C_STD_H #define KPATHSEA_C_STD_H /* Header files that essentially all of our sources need, and that all implementations have. We include these first, to help with NULL being defined multiple times. */ /* Workaround against a MSVC bug : it can't be declared extern "C" in a c++ source file. */ #ifndef __cplusplus #include /* apparently M_PI isn't defined by under older VC */ #ifndef M_PI #define M_PI 3.14159265358979323846 #endif #endif #include #include /* Be sure we have constants from . */ #include #ifdef HAVE_STDLIB_H #include /* Include before , to help avoid NULL redefinitions on some systems. (We don't include ourselves any more, but FYI.) */ #else /* It's impossible to say for sure what the system will deign to put in , but let's hope it's at least this. */ extern char *getenv (); #endif /* not HAVE_STDLIB_H */ #ifdef WIN32 #include #else #ifndef STDC_HEADERS #ifndef ALLOC_RETURN_TYPE #define ALLOC_RETURN_TYPE void #endif /* not ALLOC_RETURN_TYPE */ extern ALLOC_RETURN_TYPE *calloc (), *malloc (), *realloc (); #endif /* not STDC_HEADERS */ #endif /* not WIN32 */ /* SunOS 4.1.1 gets STDC_HEADERS defined, but it doesn't provide EXIT_FAILURE. So far no system has defined one of EXIT_FAILURE and EXIT_SUCCESS without the other. */ #ifndef EXIT_SUCCESS #ifdef VMS #define EXIT_SUCCESS 1 #define EXIT_FAILURE 0 #else #define EXIT_SUCCESS 0 #define EXIT_FAILURE 1 #endif #endif /* not EXIT_SUCCESS */ /* strchr vs. index, memcpy vs. bcopy, etc. */ #include /* Error numbers and errno declaration. */ #include /* Numeric minima and maxima. */ #include /* Assertions are too useful to not make generally available. */ #ifdef HAVE_ASSERT_H #include #else #define assert(expr) /* as nothing */ #endif #ifdef VMS #include #include #endif /* not VMS */ #endif /* not KPATHSEA_C_STD_H */