[I]

1. I386
2. IA64
3. IARG
4. IARG0
5. IARG1
6. IDM_EDITBS
7. IDM_EDITDEL
8. IDM_EDITDOWN
9. IDM_EDITLEFT
10. IDM_EDITLOCATE
11. IDM_EDITPDOWN
12. IDM_EDITPUP
13. IDM_EDITREPEAT
14. IDM_EDITRIGHT
15. IDM_EDITTOP
16. IDM_EDITUNDO
17. IDM_EDITUP
18. IDM_FILEEXIT
19. IDM_FILESAVE
20. IDM_HELPABOUT
21. IDM_HELPCONTENTS
22. ID_ACK
23. ID_RESUME
24. ID_STOP
25. IEXPT10_INIT
26. IEXPT10_TABLESIZ
27. IE_t
28. IF_IA64
29. IF_THREADS
30. IGNORE_FRAMES
31. IGNORE_OFF_PAGE
32. ILLEGAL_SEQUENCE
33. INCHK
34. INCL_DOSERRORS
35. INCL_DOSEXCEPTIONS
36. INCL_DOSFILEMGR
37. INCL_DOSMEMMGR
38. INCL_DOSMISC
39. INCL_DOSMODULEMGR
40. INCL_DOSPROCESS
41. INCR_FREE_BYTES
42. INCR_PC
43. INCR_WORDS
44. INITIAL_BUF_SZ
45. INITIAL_IN_PROGRESS
46. INITIAL_MARK_STACK_SIZE
47. INITSYM
48. INIT_GLOC
49. INIT_HDR_CACHE
50. INIT_MOD
51. INIT_SIZE
52. INPUT_NOT_ENOUGH
53. INSN
54. INSN1
55. INSN2
56. INT64BITOP
57. INT64LT
58. INTBUFSIZ
59. INTEGER_SLOT
60. INTEGRAL_TIME_T
61. INTERN
62. INT_FITS_P
63. INT_TO_SEXPR
64. INVALID_QTID
65. INVALID_SOCKET
66. INVALID_THREADID
67. IN_STACK_P
68. IPORT
69. IRIX5
70. IRIX6
71. IS_CONCATENATION
72. IS_FORWARDING_ADDR_OR_NIL
73. IS_FUNCTION
74. IS_MAPPED
75. IS_PTRFREE
76. IS_SUBSTR
77. IS_UNCOLLECTABLE
78. ITIMER_START
79. ITIMER_STOP
80. I_HIDE_POINTERS
81. I_HOLD_LOCK