| winch_add_trace_back | Enrich an rlang traceback with details on native calls |
| winch_available | Are native tracebacks available? |
| winch_call | Call an R function from native code |
| winch_init_library | Set library to collect symbols for native stack traces |
| winch_stop | Raise an error from native code |
| winch_trace_back | Native stack trace |