[I]

1. I387
2. ICANON
3. ICMB_CNT
4. ICMP_DEST_UNREACH
5. ICMP_ECHO
6. ICMP_ECHOREPLY
7. ICMP_FRAG_NNEDED
8. ICMP_HOST_ANO
9. ICMP_HOST_ISOLATED
10. ICMP_HOST_UNKNOWN
11. ICMP_HOST_UNREACH
12. ICMP_HOST_UNR_TOS
13. ICMP_INFO_REPLY
14. ICMP_INFO_REQUEST
15. ICMP_NET_ANO
16. ICMP_NET_UNKNOWN
17. ICMP_NET_UNREACH
18. ICMP_NET_UNR_TOS
19. ICMP_PARAMETERPROB
20. ICMP_PORT_UNREACH
21. ICMP_PROT_UNREACH
22. ICMP_REDIRECT
23. ICMP_SOURCE_QUENCH
24. ICMP_SR_FAILED
25. ICMP_TIMESTAMP
26. ICMP_TIMESTAMPREPLY
27. ICMP_TIME_EXCEEDED
28. ICM_DATA_PTR
29. ICOUNTERS
30. ICRNL
31. ID
32. IDENTIFY
33. IDENTIFY_BASE
34. IDLE
35. IDMA
36. ID_ERR
37. IEXTEN
38. IGNBRK
39. IGNCR
40. IGNPAR
41. ILLEGAL_REQUEST
42. IMAXBEL
43. IMB
44. IMR
45. INC
46. INDEX_STAT
47. INDIRECT_BLOCK
48. INIT
49. INITIATOR_ERROR
50. INIT_C_CC
51. INIT_REQUEST
52. INIT_TASK
53. INLCR
54. INPCK
55. INQUIRY
56. INTERMEDIATE_C_GOOD
57. INTERMEDIATE_GOOD
58. INTERNAL_ERROR
59. INTRFLAGS
60. INTRMASK
61. INTR_ACK
62. INTR_CHAR
63. INTR_STAT
64. INT_EN
65. INT_IM
66. INVDCMD
67. IN_ABORT
68. IN_INT
69. IN_ON_PORT
70. IN_ORDER
71. IN_RESET
72. IN_SKBUFF
73. IOCTL_RETRIES
74. IOCTL_TIMEOUT
75. IOVER
76. IO_BITMAP_SIZE
77. IPOPT_END
78. IPOPT_LSRR
79. IPOPT_NOOP
80. IPOPT_RR
81. IPOPT_SEC
82. IPOPT_SID
83. IPOPT_SSRR
84. IPOPT_TIMESTAMP
85. IP_ADD_ROUTE
86. IP_DEBUG
87. IP_HANDOFF
88. IP_LOOPBACK_ADDR
89. IP_SET_DEV
90. IRCE
91. IRCV
92. IRESET
93. IRQ_NAME
94. IRQ_NAME2
95. IRST
96. ISIG
97. ISR
98. ISTRIP
99. IS_A_CONSOLE
100. IS_A_PTY
101. IS_A_PTY_MASTER
102. IS_A_PTY_SLAVE
103. IS_A_SERIAL
104. IS_NODEV
105. IS_NOEXEC
106. IS_NOSUID
107. IS_RDONLY
108. IS_RESETTING
109. IS_SYNC
110. ITIMER_PROF
111. ITIMER_REAL
112. ITIMER_VIRTUAL
113. ITRE
114. ITRS
115. IUCLC
116. IXANY
117. IXOFF
118. IXON
119. I_CRNL
120. I_IXON
121. I_NLCR
122. I_NOCR
123. I_STRP
124. I_UCLC
125. Interrupt_Cntl