--- Libc/Libc-1158.50.2/include/alloca.h
+++ Libc/Libc-320.1.3/include/alloca.h
@@ -25,8 +25,12 @@
 #define _ALLOCA_H_
 
 #include <sys/cdefs.h>
-#include <_types.h>
-#include <sys/_types/_size_t.h>
+#include <machine/ansi.h>
+
+#ifndef	_BSD_SIZE_T_DEFINED_
+#define	_BSD_SIZE_T_DEFINED_
+typedef	_BSD_SIZE_T_	size_t;
+#endif
 
 __BEGIN_DECLS
 void	*alloca(size_t);		/* built-in for gcc */