Function Vector-Data-Address

Part of:

package fortran-ffi-accessors
( vector-data-address < vec > )
Return the physical address of where the actual data of the object
VEC is stored.

VEC - must be a either a (complex double-float), (complex single-float)
or a specialized array type in CMU Lisp. This currently means
VEC is a simple-array of one dimension of one of the following types:

(complex double-float)
(complex single-float)
(signed-byte 32)
(signed-byte 16)
(signed-byte 8)
(unsigned-byte 32)
(unsigned-byte 16)
(unsigned-byte 8)

1 - system area pointer to the actual data