sm_bfopen
SM_FILE_T SM_IO_SET_TYPE(vector, BF_FILE_TYPE, sm_bfopen, sm_bfclose,
SM_IO_INIT_TYPE(vector, BF_FILE_TYPE, sm_bfopen, sm_bfclose,
static int sm_bfopen __P((SM_FILE_T *, const void *, int, const void *));