unit netbsd_fs = {

imports[ string : String_T sprintf : Sprintf_T intr : OSEnvIntr_T mem : OSEnvMem_T sleep : OSEnvSleep_T log : OSEnvLog_T panic : OSEnvPanic_T timer : OSEnvTimer_T time : PosixTime_T iids : { oskit_absio_iid oskit_dir_iid oskit_dirents_iid oskit_file_iid oskit_filesystem_iid oskit_iunknown_iid oskit_openfile_iid oskit_posixio_iid oskit_principal_iid oskit_stream_iid } ctxt : CallContext_T ]; exports[ out : BSD_FS_T ]; ...

}