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`getw'--read a word (int)

     #include <stdio.h>
     int getw(FILE *FP);
`getw' is a function, defined in `stdio.h'.  You can use `getw' to get
the next word from the file or stream identified by FP.  As a side
effect, `getw' advances the file's current position indicator.
   RETURNS The next word (read as an `int'), unless there is no more
data, or the host system reports a read error; in either of these
situations, `getw' returns `EOF'.  Since `EOF' is a valid `int', you
must use `ferror' or `feof' to distinguish these situations.
`getw' is a remnant of K&R C, it is not part of any ISO C Standard.
`fread' should be used instead.  In fact, this implementation of `getw'
is based upon `fread'.
   Supporting OS subroutines required: `fread'.