+void print_type(const type_t *type);
+
+/**
+ * prints a human readable form of @p type. prints an abstract typename
+ * if symbol is NULL
+ */
+void print_type_ext(const type_t *type, const symbol_t *symbol,
+ const scope_t *parameters);
+
+typedef enum QualifierSeparators {
+ QUAL_SEP_NONE = 0,
+ QUAL_SEP_START = 1U << 0,
+ QUAL_SEP_END = 1U << 1
+} QualifierSeparators;
+
+void print_type_qualifiers(type_qualifiers_t qualifiers, QualifierSeparators);
+
+void print_enum_definition(const enum_t *enume);
+void print_compound_definition(const compound_t *compound);
+
+void inc_type_visited(void);
+
+/**
+ * returns true if type contains integer numbers
+ */
+bool is_type_integer(const type_t *type);
+
+/**
+ * Returns true if the given type is an enum type.
+ */
+bool is_type_enum(const type_t *type);
+
+/**
+ * return true if type contains signed numbers
+ */
+bool is_type_signed(const type_t *type);
+
+/**
+ * returns true if type contains floating point numbers
+ */
+bool is_type_float(const type_t *type);
+
+/**
+ * returns true if type contains complex numbers
+ */
+bool is_type_complex(const type_t *type);
+
+bool is_type_real(const type_t *type);
+
+/**
+ * returns true if the type is an arithmetic type (§6.2.5 clause 18)
+ */
+bool is_type_arithmetic(const type_t *type);
+
+/**
+ * returns true if the type is a scalar type (§6.2.5 clause 21)
+ */
+bool is_type_scalar(const type_t *type);
+
+bool is_type_incomplete(const type_t *type);
+
+bool is_type_object(const type_t *type);
+
+bool types_compatible(const type_t *type1, const type_t *type2);
+
+type_t *get_unqualified_type(type_t *type);
+type_t *get_qualified_type(type_t*, type_qualifiers_t);
+type_t *skip_typeref(type_t *type);
+
+/**
+ * Return the type qualifier set of a type. If skip_array_type
+ * is true, skip all array types.
+ */
+type_qualifiers_t get_type_qualifier(const type_t *type, bool skip_array_type);
+