[u]

[..]
  1. u_char
  2. u_int
  3. u_long
  4. u_short
  5. udp_check
  6. udp_close
  7. udp_connect
  8. udp_err
  9. udp_header
  10. udp_ioctl
  11. udp_loopback
  12. udp_rcv
  13. udp_read
  14. udp_recvfrom
  15. udp_select
  16. udp_send_check
  17. udp_sendto
  18. udp_write
  19. uid_t
  20. uint
  21. ulcolor
  22. ulong
  23. ultrastor_14f_abort
  24. ultrastor_14f_command
  25. ultrastor_14f_detect
  26. ultrastor_14f_info
  27. ultrastor_14f_queuecommand
  28. ultrastor_14f_reset
  29. ultrastor_interrupt
  30. umode_t
  31. unalt
  32. unblank_screen
  33. uncaps
  34. unchar
  35. unctrl
  36. underline
  37. unexpected_floppy_interrupt
  38. unexpected_hd_interrupt
  39. unix_data_alloc
  40. unix_data_deref
  41. unix_data_lookup
  42. unix_data_ref
  43. unix_proto_accept
  44. unix_proto_bind
  45. unix_proto_connect
  46. unix_proto_create
  47. unix_proto_data
  48. unix_proto_dup
  49. unix_proto_getname
  50. unix_proto_getsockopt
  51. unix_proto_init
  52. unix_proto_ioctl
  53. unix_proto_listen
  54. unix_proto_read
  55. unix_proto_recv
  56. unix_proto_recvfrom
  57. unix_proto_release
  58. unix_proto_select
  59. unix_proto_send
  60. unix_proto_sendto
  61. unix_proto_setsockopt
  62. unix_proto_shutdown
  63. unix_proto_socketpair
  64. unix_proto_write
  65. unlock_buffer
  66. unlock_creation
  67. unlock_fat
  68. unlock_inode
  69. unlock_it
  70. unlock_skb
  71. unlock_sr_ioctl
  72. unlock_super
  73. unlshift
  74. unmap_page_range
  75. unrshift
  76. update_attr
  77. update_screen
  78. update_timeout
  79. usage
  80. user
  81. user_i387_struct
  82. ushort
  83. ustat
  84. utimbuf
[..]