# include "config.h"
#endif
+#ifdef STDC_HEADERS
+# include <stdlib.h>
+# include <stddef.h>
+#else
+# ifdef HAVE_STDLIB_H
+# include <stdlib.h>
+# endif
+#endif
#ifdef HAVE_ALLOCA_H
# include <alloca.h>
-#elif defined __GNUC__
-# define alloca __builtin_alloca
-#elif defined _AIX
-# define alloca __alloca
-#elif defined _MSC_VER
-# include <malloc.h>
-# define alloca _alloca
-#else
-# include <stddef.h>
-# ifdef __cplusplus
+#elif !defined alloca
+# ifdef __GNUC__
+# define alloca __builtin_alloca
+# elif defined _AIX
+# define alloca __alloca
+# elif defined _MSC_VER
+# include <malloc.h>
+# define alloca _alloca
+# elif !defined HAVE_ALLOCA
+# ifdef __cplusplus
extern "C"
-# endif
+# endif
void *alloca (size_t);
+# endif
#endif
#include <string.h>
# define _GNU_SOURCE
#endif
+#ifdef STDC_HEADERS
+# include <stdlib.h>
+# include <stddef.h>
+#else
+# ifdef HAVE_STDLIB_H
+# include <stdlib.h>
+# endif
+#endif
#ifdef HAVE_ALLOCA_H
# include <alloca.h>
-#elif defined __GNUC__
-# define alloca __builtin_alloca
-#elif defined _AIX
-# define alloca __alloca
-#elif defined _MSC_VER
-# include <malloc.h>
-# define alloca _alloca
-#else
-# include <stddef.h>
+#elif !defined alloca
+# ifdef __GNUC__
+# define alloca __builtin_alloca
+# elif defined _AIX
+# define alloca __alloca
+# elif defined _MSC_VER
+# include <malloc.h>
+# define alloca _alloca
+# elif !defined HAVE_ALLOCA
+# ifdef __cplusplus
+extern "C"
+# endif
void *alloca (size_t);
+# endif
#endif
#include <string.h>
# include <unistd.h>
#endif
+#include <fcntl.h>
+
#include <lua.h>
#include <lualib.h>
#include <lauxlib.h>