.DT
trace
Discworld 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
