trace

C实现的MUD,对大家基本入门网络游戏很有帮助!

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          trace() - sets trace flags and returns the old ones.

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          int trace( int traceflags );

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          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:

          Trace all function calls to lfuns.

          Trace all calls to "call_other".

          Trace all function returns.

          Print arguments at function calls and return values.

     output!).
          Print all executed stack machine instructions (produces a lot of

          Enable trace in heart beat functions.

          Trace calls to apply.

          Show object name in tracing.

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          traceprefix(3)

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