[o]

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