(foreign c) is a C foreign function interface (FFI) library for R7RS. It is portable in the sense that it supports multiple implementations, as opposed to being portable by conforming to some specification.

The new readme is a work in progress.

Implementation table

Primitives 1

	c-size-of	c-bytevector-u8-set!	c-bytevector-u8-ref	define-c-library	c-bytevector?	define-c-procedure
Chibi	X	X	X	X	X	X
Chicken	X	X	X	X	X	X
Gauche	X	X	X	X	X	X
Guile	X	X	X	X	X	X
Kawa	X	X	X	X	X	X
Mosh	X	X	X	X	X	X
Racket	X	X	X	X	X	X
Saggittarius	X	X	X	X	X	X
Stklos	X	X	X	X	X	X
Ypsilon	X	X	X	X	X	X

Primitives 2

	define-c-callback
Chibi
Chicken	X
Gauche
Guile	X
Kawa
Mosh	X
Racket	X
Saggittarius	X
Stklos
Ypsilon	X

Test files pass

	primitives.scm	addressof.scm	callback.scm
Chibi	X	X
Chicken	X	X	X
Gauche	X	X
Guile	X	X	X
Kawa	X	X
Mosh	X	X
Racket	X
Saggittarius	X	X	X
Stklos	X	X
Ypsilon	X	X

Documentation

Primitives

(c-type-size type)

Returns the size of given C type.

(define-c-library) define-c-procedure define-c-callback c-bytevector? c-bytevector-u8-set! c-bytevector-u8-ref c-bytevector-pointer-set! c-bytevector-pointer-ref

c-bytevector

make-c-bytevector make-c-null c-null? c-free native-endianness c-bytevector-s8-set! c-bytevector-s8-ref c-bytevector-s16-set! c-bytevector-s16-ref c-bytevector-s16-native-set! c-bytevector-s16-native-ref c-bytevector-u16-set! c-bytevector-u16-ref c-bytevector-u16-native-set! c-bytevector-u16-native-ref c-bytevector-s32-set! c-bytevector-s32-ref c-bytevector-s32-native-set! c-bytevector-s32-native-ref c-bytevector-u32-set! c-bytevector-u32-ref c-bytevector-u32-native-set! c-bytevector-u32-native-ref c-bytevector-s64-set! c-bytevector-s64-ref c-bytevector-s64-native-set! c-bytevector-s64-native-ref c-bytevector-u64-set! c-bytevector-u64-ref c-bytevector-u64-native-set! c-bytevector-u64-native-ref c-bytevector-sint-set! c-bytevector-sint-ref c-bytevector-uint-set! c-bytevector-uint-ref c-bytevector-ieee-single-set! c-bytevector-ieee-single-native-set! c-bytevector-ieee-single-ref c-bytevector-ieee-single-native-ref c-bytevector-ieee-double-set! c-bytevector-ieee-double-native-set! c-bytevector-ieee-double-ref c-bytevector-ieee-double-native-ref bytevector->c-bytevector c-bytevector->bytevector call-with-address-of

string->c-utf8 c-utf8->string