variables, reset to the beginning of the script, and then run through
the script parsing/test process like normal.
+TL/02 The BSD's have an arc4random API. One of the functions to induce
+ adding randomness was arc4random_stir(), but it has been removed in
+ OpenBSD 5.5. Detect this OpenBSD version and skip calling this
+ function when detected.
+
Exim version 4.84
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