> I don't know much about this struct, but here's the error I see.
>
> g++ -DHAVE_CONFIG_H -I. -I. -I.. -I../include 
> -DFAM_CONF=\"/usr/pkg/etc/fam.conf\"  -DNDEBUG  -O2 -c -o 
> mntent_compat.o `test -f 'mntent_compat.c++' || echo 
> './'`mntent_compat.c++
> mntent_compat.c++: In function `mntent* statfs_to_mntent(statfs*)':
> mntent_compat.c++:143: error: invalid use of undefined type `struct 
> statfs'
> mntent_compat.c++:139: error: forward declaration of `struct statfs'

Hisashi,

I guess you are using the lastest NetBSD-current.
There is some 'magic' going on with 'struct statfs'. :)

Kind regards,
Adam