[u]

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