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glibc  2.9
alloca.h
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00001 /* Copyright (C) 1992, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003 
00004    The GNU C Library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Lesser General Public
00006    License as published by the Free Software Foundation; either
00007    version 2.1 of the License, or (at your option) any later version.
00008 
00009    The GNU C Library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Lesser General Public License for more details.
00013 
00014    You should have received a copy of the GNU Lesser General Public
00015    License along with the GNU C Library; if not, write to the Free
00016    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00017    02111-1307 USA.  */
00018 
00019 #ifndef       _ALLOCA_H
00020 #define       _ALLOCA_H     1
00021 
00022 #include <features.h>
00023 
00024 #define       __need_size_t
00025 #include <stddef.h>
00026 
00027 __BEGIN_DECLS
00028 
00029 /* Remove any previous definitions.  */
00030 #undef alloca
00031 
00032 /* Allocate a block that will be freed when the calling function exits.  */
00033 extern void *alloca (size_t __size) __THROW;
00034 
00035 #ifdef __GNUC__
00036 # define alloca(size)       __builtin_alloca (size)
00037 #endif /* GCC.  */
00038 
00039 __END_DECLS
00040 
00041 #endif /* alloca.h */