[u]

1. u_char
2. u_int
3. u_long
4. u_short
5. u_word
6. uch
7. udelay
8. udp_check
9. udp_close
10. udp_connect
11. udp_err
12. udp_get_info
13. udp_ioctl
14. udp_rcv
15. udp_read
16. udp_recvfrom
17. udp_select
18. udp_send
19. udp_send_check
20. udp_sendto
21. udp_write
22. udphdr
23. uid_t
24. uint
25. ulcolor
26. ulg
27. ulong
28. ultrastor_abort
29. ultrastor_biosparam
30. ultrastor_detect
31. ultrastor_info
32. ultrastor_interrupt
33. ultrastor_queuecommand
34. ultrastor_reset
35. ultrastor_sg_list
36. umode_t
37. unblank_screen
38. unchar
39. underline
40. unexpected_floppy_interrupt
41. unexpected_hd_interrupt
42. unix_close
43. unix_data_alloc
44. unix_data_deref
45. unix_data_lookup
46. unix_data_ref
47. unix_get_info
48. unix_ioctl
49. unix_open
50. unix_proto_accept
51. unix_proto_bind
52. unix_proto_connect
53. unix_proto_create
54. unix_proto_data
55. unix_proto_dup
56. unix_proto_getname
57. unix_proto_getsockopt
58. unix_proto_init
59. unix_proto_ioctl
60. unix_proto_listen
61. unix_proto_read
62. unix_proto_recv
63. unix_proto_recvfrom
64. unix_proto_release
65. unix_proto_select
66. unix_proto_send
67. unix_proto_sendto
68. unix_proto_setsockopt
69. unix_proto_shutdown
70. unix_proto_socketpair
71. unix_proto_write
72. unixify_text_buffer
73. unk_print
74. unknown
75. unlink_port
76. unlock_buffer
77. unlock_creation
78. unlock_fat
79. unlock_inode
80. unlock_skb
81. unlock_super
82. unmap_page_range
83. unzip
84. update_attr
85. update_screen
86. update_timeout
87. updcrc
88. usage
89. user
90. user_i387_struct
91. ush
92. ushort
93. ustat
94. utimbuf