test.hin the LispWorks Editor. Note that the buffer is in C Mode, indicated by "(C)" in the mode line.
Buffer > Evaluate, or equivalently run
Meta+X Evaluate Buffer.
test.h (C->LISP)is created. It contains the prototype FLI definition forms generated by foreign-parser:process-foreign-file.
LispWorks Foreign Language Interface User Guide and Reference Manual - 7 Dec 2011