Hi andrew



 > There's a loose convention (not a rule) that says you return 0 for

 > normal termination, and non-zero values for abnormal termination.



 ac> The C Standard says that



 ac> 



 ac> and that if the value of the parameter passed to exit() is zero of

 ac> EXIT_SUCCESS, an "implementation-defined form of the status successful

 ac> termination is returned".  It continues, "If the value of
[the parameter

 ac> passed to exit()] is EXIT_FAILURE, an implementation-defined form of the

 ac> status unsuccessful termination is returned.  Otherwise the status returned

 ac> is implementation defined."



 ac> So there you go - it's not just convention after all.  :-)



I see. An "implementation-defined" standard...



Cheers



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