[O]

[..]
  1. OBSTACK_CHUNK_ALLOC
  2. OBSTACK_CHUNK_FREE
  3. OBSTACK_CHUNK_SIZE
  4. OCF_RA_PATH
  5. OCF_ROOT_DIR
  6. OFFLINESTATUS
  7. OFFSET
  8. OFFSET_MAX
  9. OFFSET_T
  10. OK_LEAF_OPTIMIZATION
  11. OLD_ACE_GROUP
  12. OLD_ACE_OTHER
  13. OLD_ACE_OWNER
  14. OLD_ALLOW
  15. OLD_DENY
  16. ONCE_FLAG_INIT
  17. ONE
  18. ONLINESTATUS
  19. OP
  20. OPAD
  21. OPENAT_BUFFER_SIZE
  22. OPENSSL_ALG
  23. OPENSSL_FN
  24. OPEN_MAX_MAX
  25. OPSIZ
  26. OPTARGS
  27. OPTIND_MIN
  28. OPTION_ALIAS
  29. OPTION_ARG_OPTIONAL
  30. OPTION_DOC
  31. OPTION_HIDDEN
  32. OPTION_NO_TRANS
  33. OPTION_NO_USAGE
  34. OPT_DOC_COL
  35. OPT_HANG
  36. OPT_LPAREN
  37. OPT_PROGNAME
  38. OPT_QUEUED
  39. OPT_REPEAT
  40. OPT_RPAREN
  41. OPT_USAGE
  42. OPT_WALKED
  43. OP_ALT
  44. OP_BACK_REF
  45. OP_CHARSET_RANGE
  46. OP_CLOSE_BRACKET
  47. OP_CLOSE_CHAR_CLASS
  48. OP_CLOSE_COLL_ELEM
  49. OP_CLOSE_DUP_NUM
  50. OP_CLOSE_EQUIV_CLASS
  51. OP_CLOSE_SUBEXP
  52. OP_DUP_ASTERISK
  53. OP_DUP_PLUS
  54. OP_DUP_QUESTION
  55. OP_NON_MATCH_LIST
  56. OP_NOTSPACE
  57. OP_NOTWORD
  58. OP_OPEN_BRACKET
  59. OP_OPEN_CHAR_CLASS
  60. OP_OPEN_COLL_ELEM
  61. OP_OPEN_DUP_NUM
  62. OP_OPEN_EQUIV_CLASS
  63. OP_OPEN_SUBEXP
  64. OP_PERIOD
  65. OP_SPACE
  66. OP_T_THRES
  67. OP_UTF8_PERIOD
  68. OP_WORD
  69. OR
  70. OS2
  71. OSET_TREE_FLAVOR
  72. OSF_ALPHA
  73. OSF_MIPS
  74. OSVERSIONINFO
  75. OVERLOADED_CHECK
  76. O_ACCMODE
  77. O_BINARY
  78. O_CIB_RESTART
  79. O_CLOEXEC
  80. O_DC_TIMER_RESTART
  81. O_DIRECT
  82. O_DIRECTORY
  83. O_DSYNC
  84. O_EXEC
  85. O_EXIT
  86. O_IGNORE_CTTY
  87. O_LARGEFILE
  88. O_LRM_RECONNECT
  89. O_NDELAY
  90. O_NOATIME
  91. O_NOCTTY
  92. O_NOFOLLOW
  93. O_NOLINK
  94. O_NOLINKS
  95. O_NONBLOCK
  96. O_NOTRANS
  97. O_PE_RESTART
  98. O_RELEASE
  99. O_RSYNC
  100. O_SEARCH
  101. O_SYNC
  102. O_TEXT
  103. O_TE_RESTART
  104. O_TTY_INIT
[..]