More <limits.h> fixes.
Went through the POSIX spec for the _POSIX* and _XOPEN* constants.
Bug: http://b/32776472
Test: ran tests
Change-Id: I389100dbc7de354eae9056e44b0a7fa8c37374e3
diff --git a/libc/include/limits.h b/libc/include/limits.h
index 4384f6f..48e7ea9 100644
--- a/libc/include/limits.h
+++ b/libc/include/limits.h
@@ -61,6 +61,7 @@
#else
# define LONG_BIT 32
#endif
+#define WORD_BIT 32
#define SCHAR_MAX 0x7f /* max value for a signed char */
#define SCHAR_MIN (-0x7f-1) /* min value for a signed char */
@@ -130,6 +131,8 @@
#define MB_LEN_MAX 4
+#define NZERO 20
+
#define IOV_MAX 1024
#define SEM_VALUE_MAX 0x3fffffff