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(g77-295.info)Integer Type

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Integer Type
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   (Corresponds to Section 4.3 of ANSI X3.9-1978 FORTRAN 77.)

   An integer constant also may have one of the following forms:

     B'BINARY-DIGITS'
     O'OCTAL-DIGITS'
     Z'HEXADECIMAL-DIGITS'
     X'HEXADECIMAL-DIGITS'

BINARY-DIGITS, OCTAL-DIGITS, and HEXADECIMAL-DIGITS are nonempty
strings of characters in the set `01', `01234567', and
`0123456789ABCDEFabcdef', respectively.  (The value for `A' (and `a')
is 10, for `B' and `b' is 11, and so on.)