This section lists the examples illustrating the use of foreign blocks, which is described in Block objects in C (foreign blocks).
These examples apply to LispWorks for Macintosh only:
(example-edit-file "fli/foreign-blocks")
(example-edit-file "fli/grand-central-dispatch")
(example-edit-file "fli/invoke-foreign-block")
LispWorks Foreign Language Interface User Guide and Reference Manual - 29 Sep 2017