.DT
trace
FR-MUD's efun help
trace
int trace(int traceflags)
.SP 5
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
.EP
The trace bits are
.SC 3 5 -8
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.
.EI