LispWorks Foreign Language Interface User Guide and Reference Manual > 4 Advanced Uses of the FLI > 4.2 Modifying, passing and returning strings

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4.2.1 Use of Reference Arguments

LISP and C cannot in general share memory so the FLI needs to make a temporary foreign object from the Lisp String, pass that to C, and then convert the data in that foreign object back to a Lisp object when C returns.


LispWorks Foreign Language Interface User Guide and Reference Manual - 21 Dec 2009

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