RS>  JR> Null pointer assignment
 RS>
 RS>    should tell you where in your source code the error is,
 RS>    ie, what line number.

 JB> Often the compiler only checks *NULL on exiting, if at all.

   Yeah, someone else pointed that out, and both of you are right.  
   The compiler doesn't do any pointer checking, but if a runtime 
   error results from referencing a NULL pointer, that's when an error 
   message is displayed.  So, it's not as easy to track down as I 
   implied.  :/

... "He's dead, Jim."  "Ensign Dahmer, stop that!"
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