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     An appropriate value must be placed in the FCB record size field
     (offset 0Eh) before calling this function. There is no default
     record size for this function. Compare with the FCB-related open
     and create functions (Int 21h Functions 0Fh and 16h), which
     initialize the FCB for a default record size of 128 bytes.
 
     The record size field can be set to 1 to find the size of the file
     in bytes.
 
     Because record numbers are zero based, this function can be used
     to position the FCB's file pointer to the end-of-file.
                                    -♦-