extern void bt_trace_borrow_environment_entry_by_index(
struct bt_trace *trace, uint64_t index,
- const char **name, struct bt_value **value);
+ const char **name, const struct bt_value **value);
-extern struct bt_value *bt_trace_borrow_environment_entry_value_by_name(
+extern const struct bt_value *bt_trace_borrow_environment_entry_value_by_name(
struct bt_trace *trace, const char *name);
extern struct bt_field_class *bt_trace_borrow_packet_header_field_class(