#define DMGL_JAVA (1 << 2) /* Demangle as Java rather than C++. */
#define DMGL_VERBOSE (1 << 3) /* Include implementation details. */
#define DMGL_TYPES (1 << 4) /* Also try to demangle type encodings. */
+#define DMGL_RET_POSTFIX (1 << 5) /* Print function return types (when
+ present) after function signature */
#define DMGL_AUTO (1 << 8)
#define DMGL_GNU (1 << 9)