1--- a/posix-extras.scm 1970-01-01 01:00:01.000000000 +0100
2+++ b/posix-extras.scm 1970-01-01 01:00:01.000000000 +0100
3@@ -110,6 +110,9 @@ static void *C_not_implemented_ptr(void)
4 #endif
5
6+#if defined (__unix__)
7+#include <sys/sysmacros.h>
8+#endif
9 #if defined (__unix__) || defined (C_XXXBSD)
10 #include <sys/types.h>
11 #define C_mknod(fn, m, d) C_fix(mknod(C_data_pointer(fn), C_unfix(m), C_unfix(d)))
12 #define C_mknod64(fn, m, maj, min) C_fix(mknod(C_data_pointer(fn), C_unfix(m), makedev(C_num_to_int(maj), C_num_to_int(min))))