trace FR-MUD's efun help trace int trace(int traceflags) Sets the trace flags and returns the old trace flags. When tracing is on a lot of information is printed during execution. The trace bits are 1 Trace all function calls to lfuns. 2 Trace all calls to call_other(). 4 Trace all function returns. 8 Print arguments at function calls and return values. 16 Print all executed stack machine instructions (produces a lot of output!). 32 Enable trace in heart beat functions. 64 Trace calls to apply. 128 Show object name in tracing.