[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. OLD_SIOCGIFHWADDR
  18. OMAGIC
  19. ON
  20. ONLCR
  21. ONLRET
  22. ONOCR
  23. OPEN_MAX
  24. OPEN_READ
  25. OPEN_READWRITE
  26. OPEN_WRITE
  27. OPERATION_MODE_1
  28. OPERATION_MODE_2
  29. OPL3_BOTH
  30. OPL3_ENABLE
  31. OPL3_LEFT
  32. OPL3_MODE_REGISTER
  33. OPL3_PATCH
  34. OPL3_RIGHT
  35. OPOST
  36. OPSW
  37. OPT_ADLIB
  38. OPT_AUDIO
  39. OPT_CHIP_MIDI
  40. OPT_GUS
  41. OPT_HIGHLEVEL
  42. OPT_LAST
  43. OPT_LAST_MUTUAL
  44. OPT_MIDI
  45. OPT_MIDI_AUTO
  46. OPT_MPU401
  47. OPT_PAS
  48. OPT_SB
  49. OPT_SB16
  50. OPT_SBPRO
  51. OPT_SEQUENCER
  52. OPT_YM3812
  53. OPT_YM3812_AUTO
  54. OP_HOST_ADAPTER
  55. OP_RESET
  56. OP_SCSI
  57. OP_SIZE_PREFIX
  58. ORDERED_QUEUE_TAG
  59. ORIG_EAX
  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. OUT
  72. OUTB
  73. OUTBUFSIZ
  74. OUTBUF_EXTRA
  75. OUTPUT_DATA_REG
  76. OUTPUT_READY
  77. OUT_FILTER
  78. OUT_ON_PORT
  79. O_ACCMODE
  80. O_APPEND
  81. O_BSDLY
  82. O_CRDLY
  83. O_CREAT
  84. O_EXCL
  85. O_FFDLY
  86. O_M_1_CDROM_TYPE
  87. O_M_1_FM_TYPE
  88. O_M_1_PCM_TYPE
  89. O_M_2_BOARD_REVISION
  90. O_M_2_BUS_TIMING
  91. O_M_2_PCS_ENABLED
  92. O_NDELAY
  93. O_NLDLY
  94. O_NOCTTY
  95. O_NONBLOCK
  96. O_OCRNL
  97. O_OFDEL
  98. O_OFILL
  99. O_OLCUC
  100. O_ONLCR
  101. O_ONLRET
  102. O_ONOCR
  103. O_OPOST
  104. O_RDONLY
  105. O_RDWR
  106. O_SYNC
  107. O_TABDLY
  108. O_TRUNC
  109. O_VTDLY
  110. O_WRONLY
[..]