When a double is cast to an int, but the double has a larger value
than the int supports, it's set to 0x80000000 to indicate overflow. msclock() is *always* overflowing, and clock_t is only 32-bits on some platforms (specifically FreeBSD). To "avoid" problems, just keep subtracting UIN32_MAX from the value until it's less than INT_MAX then cast. This function is, of course, terrible and shouldn't actually be used, but it should at least sorta kinda workish.
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