+#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
+ || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
#define PIPE_BUF 4096
#define PAGESIZE 4096
#define PAGE_SIZE PAGESIZE
#define ARG_MAX 131072
#define IOV_MAX 1024
#define SYMLOOP_MAX 40
-
#define WORD_BIT 64
#define LONG_BIT 64
+#endif
#define SHRT_MIN (-1-0x7fff)
#define SHRT_MAX 0x7fff
#define INT_MIN (-1-0x7fffffff)
#define INT_MAX 0x7fffffff
-#define UINT_MAX 0xffffffff
+#define UINT_MAX 0xffffffffU
#define LONG_MIN (-1-0x7fffffffffffffffL)
#define LONG_MAX 0x7fffffffffffffffL
-#define ULONG_MAX 0xffffffffffffffffL
+#define ULONG_MAX 0xffffffffffffffffUL
#define LLONG_MIN (-1-0x7fffffffffffffffLL)
#define LLONG_MAX 0x7fffffffffffffffLL