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Re: testsuite, simulators, and argv[0]

> I think a more relevant question is whether it's ok to pass 0, {NULL} for 
> argc, argv.

You can do that on desktop linux, you know:

      execl(some_prog_name, NULL);

argv[0] is NOT guaranteed to be non-NULL:

ISO/IEC 9899:1999(E) 5.1.2.2.1

2 If they are declared, the parameters to the main function shall obey
  the following constraints:

  - The value of argc shall be nonnegative.
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