Most actual Lisp systems can access random memory and define C-like memory structures. Otherwise they would not be able to integrate with other software. See f

Most actual Lisp systems can access random memory and define C-like memory structures. Otherwise they would not be able to integrate with other software. See for example: http://www.sbcl.org/manual/index.html#Foreign-Function-Interface http://www.sbcl.org/manual/index.html#Foreign-Function-Inter...