[O]

[..]
  1. O
  2. OBSOLETE_GUS_PATCH
  3. OCRNL
  4. OF
  5. OFDEL
  6. OFF
  7. OFFCNT
  8. OFFSET_MAX
  9. OFFS_4OP
  10. OFILL
  11. OGMB_CNT
  12. OID
  13. OID_
  14. OK
  15. OLCUC
  16. OLD_GZIP_MAGIC
  17. OMAGIC
  18. ON
  19. ONLCR
  20. ONLRET
  21. ONOCR
  22. OPEN_MAX
  23. OPEN_READ
  24. OPEN_READWRITE
  25. OPEN_WRITE
  26. OPERATION_MODE_1
  27. OPERATION_MODE_2
  28. OPL3_BOTH
  29. OPL3_ENABLE
  30. OPL3_LEFT
  31. OPL3_MODE_REGISTER
  32. OPL3_PATCH
  33. OPL3_RIGHT
  34. OPOST
  35. OPSW
  36. OPT_ADLIB
  37. OPT_AUDIO
  38. OPT_CHIP_MIDI
  39. OPT_GUS
  40. OPT_HIGHLEVEL
  41. OPT_LAST
  42. OPT_LAST_MUTUAL
  43. OPT_MIDI
  44. OPT_MIDI_AUTO
  45. OPT_MPU401
  46. OPT_PAS
  47. OPT_SB
  48. OPT_SB16
  49. OPT_SBPRO
  50. OPT_SEQUENCER
  51. OPT_YM3812
  52. OPT_YM3812_AUTO
  53. OP_HOST_ADAPTER
  54. OP_RESET
  55. OP_SCSI
  56. OP_SIZE_PREFIX
  57. ORDERED_QUEUE_TAG
  58. ORIG_EAX
  59. ORIG_EIP
  60. ORIG_NAME
  61. ORIG_ROOT_DEV
  62. ORIG_VIDEO_COLS
  63. ORIG_VIDEO_EGA_AX
  64. ORIG_VIDEO_EGA_BX
  65. ORIG_VIDEO_EGA_CX
  66. ORIG_VIDEO_LINES
  67. ORIG_VIDEO_MODE
  68. ORIG_VIDEO_PAGE
  69. ORIG_X
  70. ORIG_Y
  71. OUTB
  72. OUTBUFSIZ
  73. OUTBUF_EXTRA
  74. OUTPUT_DATA_REG
  75. OUTPUT_READY
  76. OUT_FILTER
  77. OUT_ON_PORT
  78. O_ACCMODE
  79. O_APPEND
  80. O_CREAT
  81. O_CRNL
  82. O_EXCL
  83. O_LCUC
  84. O_M_1_CDROM_TYPE
  85. O_M_1_FM_TYPE
  86. O_M_1_PCM_TYPE
  87. O_M_2_BOARD_REVISION
  88. O_M_2_BUS_TIMING
  89. O_M_2_PCS_ENABLED
  90. O_NDELAY
  91. O_NLCR
  92. O_NLRET
  93. O_NOCR
  94. O_NOCTTY
  95. O_NONBLOCK
  96. O_POST
  97. O_RDONLY
  98. O_RDWR
  99. O_SYNC
  100. O_TABDLY
  101. O_TRUNC
  102. O_WRONLY
[..]