+/* Robust bit test/set/reset macros */
+#define NOTMUCH_TEST_BIT(val, bit) \
+ (((bit) < 0 || (bit) >= CHAR_BIT * sizeof (unsigned long long)) ? 0 \
+ : !!((val) & (1ull << (bit))))
+#define NOTMUCH_SET_BIT(valp, bit) \
+ (((bit) < 0 || (bit) >= CHAR_BIT * sizeof (unsigned long long)) ? *(valp) \
+ : (*(valp) |= (1ull << (bit))))
+#define NOTMUCH_CLEAR_BIT(valp, bit) \
+ (((bit) < 0 || (bit) >= CHAR_BIT * sizeof (unsigned long long)) ? *(valp) \
+ : (*(valp) &= ~(1ull << (bit))))
+