an_id
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IN:
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Annotation interface identifier
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tag
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IN:
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Tag of the annotation
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ref
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IN:
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Reference number of the annotation
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Purpose
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Retrieves an annotation for a specified tag/reference number pair.
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Return value
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Returns the identifier of the annotation if successful and FAIL (or -1) otherwise.
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FORTRAN
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integer function aftagrefid(an_id, tag, ref)
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integer an_id, tag, ref
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