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THROW
-codes used in the system:
-
The codes -256--511 are used for reporting signals (see
`errore.fs'). The codes -512--2047 are used for OS errors
(for file and memory allocation operations). The mapping from OS error
numbers to throw code is -512-
errno
. One side effect of
this mapping is that undefined OS errors produce a message with a
strange number; e.g., -1000 THROW
results in Unknown error
488
on my system.
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