docs/development/tracing/_common/_tracing_headers.md

* {C }

  Note: The header file is defined in
  [//zircon/system/ulib/trace/include/lib/trace/internal/event_common.h](/zircon/system/ulib/trace/include/lib/trace/internal/event_common.h).
  See [Tracing: C and C++ macros][fuchsia-tracing-c-macros] for the reference
  page.

  ```c
  #include <lib/trace/event.h>
  ```

* {C++}

  Note: The header file is defined in
  [/zircon/system/ulib/trace/include/lib/trace/internal/event_common.h](/zircon/system/ulib/trace/include/lib/trace/internal/event_common.h).
  See [Tracing: C and C++ macros][fuchsia-tracing-c-macros] for the reference
  page.

  ```cpp
  #include <lib/trace/event.h>
  ```

* {Rust}

  Note: See the [rustdoc page][rustdoc-fuchsia_trace] for the `fuchsia_trace`
  crate reference page.

  ```rust
  use fuchsia_trace::{ArgValue, Scope, ...};
  ```

[fuchsia-tracing-c-macros]: /docs/reference/tracing/c_cpp_macros.md
[rustdoc-fuchsia_trace]: https://fuchsia-docs.firebaseapp.com/rust/fuchsia_trace/index.html