+extern int opt_all_field_names,
+ opt_scope_field_names,
+ opt_header_field_names,
+ opt_context_field_names,
+ opt_payload_field_names,
+ opt_all_fields,
+ opt_trace_field,
+ opt_trace_domain_field,
+ opt_trace_procname_field,
+ opt_trace_vpid_field,
+ opt_loglevel_field,
+ opt_delta_field,
+ opt_clock_raw,
+ opt_clock_seconds,
+ opt_clock_date,
+ opt_clock_gmt,
+ opt_clock_force_correlate;
+
+extern uint64_t opt_clock_offset;