+#define OP_IS_FILETEST_ACCESS(op) \
+ ((op) >= OP_FTRREAD && (op) <= OP_FTEEXEC)
+
+#define OP_IS_NUMCOMPARE(op) \
+ ((op) >= OP_LT && (op) <= OP_I_NCMP)
+
+#define OP_IS_DIRHOP(op) \
+ ((op) >= OP_READDIR && (op) <= OP_CLOSEDIR)
+
+#define OP_IS_INFIX_BIT(op) \
+ ((op) >= OP_BIT_AND && (op) <= OP_SBIT_OR)
+