foreign-c/documentation.md

PFFI

Procedures

pffi-call

Arguments:

• shared-object (object)
  • Shared object returned by pffi-shared-object-load or pffi-shared-object-auto-load
• name (symbol)
  • Name of the C function you want to call
• type (symbol)
  • Return type of the C function you want to call
• arguments (list (cons type value)...)
  • Arguments you want to pass to the C function as pairs of type and value

Example:

(define sdl2* (pffi-shared-object-auto-load "SDL2" (list))

(pffi-call sdl2* 'SDL_Init 'int '((int . 32)))

(define window* (pffi-call sdl2* 'SDL_CreateWindow 'pointer (list (cons 'pointer (pffi-string->pointer "Hello")) (cons 'int 1) (cons 'int 1) (cons 'int 400) (cons 'int 400) (cons 'int 4))