copy_string
copy_string(block, specs->serial_no);
copy_string(block, specs->ascii);
copy_string(block, specs->monitor);
copy_string(info->fxbus_names[res], *fxbus, "FXBUS", res);
copy_string(info->extin_names[res], extin_mask & (1 << res) ? *extin : NULL, "Unused", res);
copy_string(info->extout_names[res], extout_mask & (1 << res) ? *extout : NULL, "Unused", res);
copy_string(info->extout_names[res], extout_mask & (1 << res) ? *extout : NULL, "Unused", res);