[o]

[..]
  1. obey_audio_state
  2. off_t
  3. offsetof
  4. old_drive
  5. old_ifr_hwaddr
  6. old_rtentry
  7. old_stat
  8. old_utsname
  9. oldold_utsname
  10. oom
  11. open
  12. open_aux
  13. open_inode
  14. open_mouse
  15. open_namei
  16. open_qp
  17. operand_address
  18. opl3_aftertouch
  19. opl3_alloc_voice
  20. opl3_bender
  21. opl3_close
  22. opl3_command
  23. opl3_controller
  24. opl3_detect
  25. opl3_hw_control
  26. opl3_init
  27. opl3_ioctl
  28. opl3_kill_note
  29. opl3_load_patch
  30. opl3_open
  31. opl3_panning
  32. opl3_patchmgr
  33. opl3_reset
  34. opl3_set_instr
  35. opl3_start_note
  36. opl3_volume_method
  37. opost
  38. options
  39. origin
  40. out_port_type
  41. outb
  42. outb_local
  43. outb_p
  44. outl
  45. outl_p
  46. output
  47. output_byte
  48. output_ready
  49. outw
  50. outw_p
  51. overlap
  52. override
  53. overrides
[..]