Hi, i guess this shouldn't happen:
$ cat s.cc #include <stdio.h> int main() { printf("%zu\n", sizeof(bool)); } $ g++ s.cc -o s $ ./s 1 Welcome to Racket v6.0.0.5. -> (require ffi/unsafe) -> (ctype-sizeof _bool) 4 Tested with multiple unix/linux OS, all gcc > 4.3.4 Tobias _________________________ Racket Developers list: http://lists.racket-lang.org/dev