[o]

[..]
  1. obey_audio_state
  2. off_t
  3. offsetof
  4. old_ifr_hwaddr
  5. old_rtentry
  6. old_stat
  7. old_utsname
  8. oldold_utsname
  9. oom
  10. open
  11. open_aux
  12. open_inode
  13. open_mouse
  14. open_namei
  15. open_qp
  16. operand_selector
  17. opl3_aftertouch
  18. opl3_close
  19. opl3_command
  20. opl3_controller
  21. opl3_detect
  22. opl3_hw_control
  23. opl3_init
  24. opl3_ioctl
  25. opl3_kill_note
  26. opl3_load_patch
  27. opl3_open
  28. opl3_panning
  29. opl3_patchmgr
  30. opl3_reset
  31. opl3_set_instr
  32. opl3_start_note
  33. opost
  34. options
  35. or_fs_long
  36. or_user_long
  37. origin
  38. out_port_type
  39. outb
  40. outb_p
  41. outl
  42. outl_p
  43. output_byte
  44. output_ready
  45. outw
  46. outw_p
  47. overlap
  48. override
  49. overrides
[..]