[U]

[..]
  1. UART_DLL
  2. UART_DLM
  3. UART_FCR
  4. UART_FCR_CLEAR_CMD
  5. UART_FCR_CLEAR_RCVR
  6. UART_FCR_CLEAR_XMIT
  7. UART_FCR_DMA_SELECT
  8. UART_FCR_ENABLE_FIFO
  9. UART_FCR_SETUP_CMD
  10. UART_FCR_TRIGGER_1
  11. UART_FCR_TRIGGER_14
  12. UART_FCR_TRIGGER_4
  13. UART_FCR_TRIGGER_8
  14. UART_FCR_TRIGGER_MASK
  15. UART_IER
  16. UART_IER_MSI
  17. UART_IER_RDI
  18. UART_IER_RLSI
  19. UART_IER_THRI
  20. UART_IIR
  21. UART_IIR_ID
  22. UART_IIR_MSI
  23. UART_IIR_PEND
  24. UART_IIR_RDI
  25. UART_IIR_RLSI
  26. UART_IIR_THRI
  27. UART_ISR_proc
  28. UART_LCR
  29. UART_LCR_DLAB
  30. UART_LCR_EPAR
  31. UART_LCR_PARITY
  32. UART_LCR_SBC
  33. UART_LCR_SPAR
  34. UART_LCR_STOP
  35. UART_LCR_WLEN5
  36. UART_LCR_WLEN6
  37. UART_LCR_WLEN7
  38. UART_LCR_WLEN8
  39. UART_LSR
  40. UART_LSR_BI
  41. UART_LSR_DR
  42. UART_LSR_FE
  43. UART_LSR_OE
  44. UART_LSR_PE
  45. UART_LSR_TEMT
  46. UART_LSR_THRE
  47. UART_MCR
  48. UART_MCR_DTR
  49. UART_MCR_LOOP
  50. UART_MCR_OUT1
  51. UART_MCR_OUT2
  52. UART_MCR_RTS
  53. UART_MSR
  54. UART_MSR_CTS
  55. UART_MSR_DCD
  56. UART_MSR_DCTS
  57. UART_MSR_DDCD
  58. UART_MSR_DDSR
  59. UART_MSR_DSR
  60. UART_MSR_RI
  61. UART_MSR_TERI
  62. UART_RX
  63. UART_SCR
  64. UART_TX
  65. UD_ABORT
  66. UD_COMMAND
  67. UD_DETECT
  68. UD_INTERRUPT
  69. UD_RESET
  70. UESP
  71. ULTRASTOR_14F
  72. ULTRASTOR_PRIVATE
  73. UNBLK_FIRST
  74. UNBLK_SECOND
  75. UNIT_ATTENTION
  76. UN_BUF_AVAIL
  77. UN_BUF_SPACE
  78. UN_DATA
  79. UN_PATH_OFFSET
  80. UPAGES
  81. US14F_PRODUCT_ID_0
  82. US14F_PRODUCT_ID_1
  83. USED
  84. USE_FIFO
  85. UTS_MACHINE
  86. UTS_NODENAME
  87. UTS_RELEASE
  88. UTS_SYSNAME
  89. UTS_VERSION
[..]