[o]

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