SCO buffer addressing

[John F Haugh II]

In article <1991May28.154355.5924 at prl.dec.com> boyd at prl.dec.com (Boyd Roberts) writes:
>Perhaps it's a more general System V problem as the high bit
>of `b_dev' may be set depending on the file-system type.  There's
>some hideous macro `bmajor()' that will mash off that bit.  Use
>it instead of major().

Just a general hint for wannabe wizards, looking at the data in
a different radix (for example, hex or octal) often makes sense.
Also, try reading the header files some day.  The particular
macro Boyd is writing about is in /usr/include/sys/sysmacros.h
on Xenix.
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