size_t opcode_idx; /* Next opcode to interpret, 8 if none left. */
};
-static struct casereader_class sys_file_casereader_class;
+static const struct casereader_class sys_file_casereader_class;
static bool close_reader (struct sfm_reader *);
}
}
\f
-static struct casereader_class sys_file_casereader_class =
+static const struct casereader_class sys_file_casereader_class =
{
sys_file_casereader_read,
sys_file_casereader_destroy,