The following options apply only to the C++ name demangler:
| --debug | Prints debug messages. |
| --diag_wrap[=on,off] | Sets diagnostic messages to wrap at 79 columns (on, which is the default) or not (off). |
| --help | Prints a help screen that provides an online summary of the C++ name demangler options. |
| --output= file | Outputs to the specified file rather than to standard out. |
| --quiet | Reduces the number of messages generated during execution. |
| -u | Specifies that external names do not have a C++ prefix. |
| -v | Enables verbose mode (outputs a banner). |