device_get_unit(9)

device_get_unit9

Access the unit number of a device

Usage

#include <sys/param.h>

#include <sys/bus.h>

int

device_get_unit(device_t dev);

Overview

Return the unit number of the device.

Releases

77 releases since FreeBSD 3.0-RELEASE; the text changed 38 times.

  1. 3.0–3.2
  2. 3.3–3.5.1
  3. 4.0–4.3
  4. 4.4
  5. 4.5–4.11
  6. 5.0–5.1
  7. 5.2–6.3
  8. 6.4
  9. 7.0
  10. 7.1
  11. 7.2
  12. 7.3
  13. 7.4
  14. 8.0
  15. 8.1
  16. 8.2
  17. 8.3
  18. 8.4
  19. 9.0
  20. 9.1
  21. 9.2
  22. 9.3
  23. 10.0
  24. 10.1
  25. 10.2
  26. 10.3
  27. 10.4
  28. 11.0
  29. 11.1
  30. 11.2
  31. 11.3
  32. 11.4
  33. 12.0
  34. 12.1
  35. 12.2
  36. 12.3
  37. 12.4
  38. 13.0–13.2
  39. 13.3–16.0

Authors

This manual page was written by Doug Rabson.

From base 16.0-CURRENT-20261027-61c70dc16a79 in FreeBSD 16.0-CURRENT (2026-10-27). Parsed by carta from the page's mdoc source.