-#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
- || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
-#define PAGE_SIZE 4096
-#define LONG_BIT 32
-#endif
-
-#define LONG_MAX 0x7fffffffL
-#define LLONG_MAX 0x7fffffffffffffffLL
+#define PAGESIZE 4096