RADIX may be nil to allow radix prefixes, or an integer between 2 and 36.
An option-parse-error is signalled if the ARG is not a valid integer, or
if it is not between MIN and MAX (either of which may be nil if no lower
RADIX may be nil to allow radix prefixes, or an integer between 2 and 36.
An option-parse-error is signalled if the ARG is not a valid integer, or
if it is not between MIN and MAX (either of which may be nil if no lower