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/* c-std.h: the first header files. Copyright (C) 1992, 93, 94 Free Software Foundation, Inc. This program 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 2, or (at your option) any later version. This program 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 this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #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. */ #include <math.h> #include <stdio.h> /* Be sure we have constants from <unistd.h>. */ #include <kpathsea/c-unistd.h> #if HAVE_STDLIB_H #include <stdlib.h> /* Include <stdlib.h> before <stddef.h>, to help avoid NULL redefinitions on some systems. (We don't include <stddef.h> ourselves any more, but FYI.) */ #else /* It's impossible to say for sure what the system will deign to put in <stdlib.h>, but let's hope it's at least these. */ extern char *getenv (); #ifndef ALLOC_RETURN_TYPE #ifdef DOS #define ALLOC_RETURN_TYPE void #else #define ALLOC_RETURN_TYPE char #endif /* not DOS */ #endif /* not ALLOC_RETURN_TYPE */ #ifndef _MALLOC_INTERNAL /* Don't bother to declare these if we are compiling gmalloc.c itself. */ extern ALLOC_RETURN_TYPE *calloc (), *malloc (), *realloc (); #endif #endif /* not STDC_HEADERS */ /* 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 <kpathsea/c-memstr.h> /* Error numbers and errno declaration. */ #include <kpathsea/c-errno.h> /* Numeric minima and maxima. */ #include <kpathsea/c-minmax.h> /* Assertions are too useful to not make generally available. */ #ifdef HAVE_ASSERT_H #include <assert.h> #else #define assert(expr) /* as nothing */ #endif #ifdef VMS #include <unixlib.h> #include <unixio.h> #else /* `popen' and `pclose' are part of POSIX.2, not POSIX.1. So STDC_HEADERS isn't enough. */ extern FILE *popen (); extern int pclose (); #endif #endif /* not KPATHSEA_C_STD_H */
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