| B0 | System.Posix, System.Posix.Terminal |
| B110 | System.Posix, System.Posix.Terminal |
| B1200 | System.Posix, System.Posix.Terminal |
| B134 | System.Posix, System.Posix.Terminal |
| B150 | System.Posix, System.Posix.Terminal |
| B1800 | System.Posix, System.Posix.Terminal |
| B19200 | System.Posix, System.Posix.Terminal |
| B200 | System.Posix, System.Posix.Terminal |
| B2400 | System.Posix, System.Posix.Terminal |
| B300 | System.Posix, System.Posix.Terminal |
| B38400 | System.Posix, System.Posix.Terminal |
| B4800 | System.Posix, System.Posix.Terminal |
| B50 | System.Posix, System.Posix.Terminal |
| B600 | System.Posix, System.Posix.Terminal |
| B75 | System.Posix, System.Posix.Terminal |
| B9600 | System.Posix, System.Posix.Terminal |
| BETA | Debug.QuickCheck.Poly |
| BackgroundWriteInterrupt | System.Posix, System.Posix.Terminal |
| BaudRate | System.Posix, System.Posix.Terminal |
| BindS | Language.Haskell.THSyntax |
| Bits | Data.Bits, Foreign, Bits |
| BlockBuffering | GHC.IOBase, System.IO, IO |
| BlockTable | Text.Html.BlockTable |
| BlockedOnDeadMVar | Control.Exception, GHC.Exception, GHC.IOBase |
| Body | Language.Haskell.THSyntax |
| BodyQ | Language.Haskell.THSyntax |
| Bool | Data.Bool, GHC.Base, Prelude |
| BothQueues | System.Posix, System.Posix.Terminal |
| Bound | Network.Socket |
| Bounded | GHC.Enum, Prelude |
| Bounds | Data.Graph |
| Broadcast | Network.Socket |
| Buffer |
| 1 (Type/Class) | GHC.IOBase |
| 2 (Data Constructor) | GHC.IOBase |
| BufferList | GHC.IOBase |
| BufferListCons | GHC.IOBase |
| BufferListNil | GHC.IOBase |
| BufferMode | GHC.IOBase, System.IO, IO |
| BufferState | GHC.IOBase |
| ByteCount | System.Posix.Types, System.Posix |
| background | Text.Html |
| backgroundRead | System.Posix.Signals, System.Posix |
| backgroundWrite | System.Posix.Signals, System.Posix |
| badSystemCall | System.Posix.Signals, System.Posix |
| base | Text.Html |
| basefont | Text.Html |
| bcc | Data.Graph |
| beginUndoGroup | System.Console.Readline |
| beside |
| 1 (Function) | Text.Html |
| 2 (Function) | Text.Html.BlockTable |
| besides | Text.Html |
| between | Text.ParserCombinators.Parsec, Text.ParserCombinators.Parsec.Combinator |
| bgcolor | Text.Html |
| big | Text.Html |
| bindIO | GHC.IOBase |
| bindKey | System.Console.Readline |
| bindKeyInMap | System.Console.Readline |
| bindQ | Language.Haskell.THSyntax |
| bindS | Language.Haskell.THSyntax |
| bindSocket | Network.Socket |
| bit | Data.Bits, Foreign, Bits |
| bitSize | Data.Bits, Foreign, Bits |
| bitsPerByte | System.Posix, System.Posix.Terminal |
| black | Text.Html |
| block | Control.Exception, GHC.Exception |
| blockSignals | System.Posix.Signals, System.Posix |
| blockquote | Text.Html |
| blue | Text.Html |
| body | Text.Html |
| bold | Text.Html |
| border | Text.Html |
| bordercolor | Text.Html |
| bottom | Debug.QuickCheck.Batch |
| boundedEnumFrom | GHC.Enum |
| boundedEnumFromThen | GHC.Enum |
| bounds |
| 1 (Function) | Data.Array.Diff, Data.Array.IArray, Data.Array.IO, Data.Array.MArray, Data.Array.ST, Data.Array.Storable, Data.Array.Unboxed |
| 2 (Function) | Data.Array, GHC.Arr, Array |
| boundsSTArray | GHC.Arr |
| br | Text.Html |
| braces |
| 1 (Function) | Text.ParserCombinators.Parsec.Token |
| 2 (Function) | Text.PrettyPrint, Text.PrettyPrint.HughesPJ |
| bracket |
| 1 (Function) | Control.Exception |
| 2 (Function) | IO |
| bracket_ |
| 1 (Function) | Control.Exception |
| 2 (Function) | IO |
| brackets |
| 1 (Function) | Text.ParserCombinators.Parsec.Token |
| 2 (Function) | Text.PrettyPrint, Text.PrettyPrint.HughesPJ |
| break | Data.List, GHC.List, Prelude, List |
| breakPS | Data.PackedString |
| breakpointTrap | System.Posix.Signals, System.Posix |
| bufBuf | GHC.IOBase |
| bufRPtr | GHC.IOBase |
| bufSize | GHC.IOBase |
| bufState | GHC.IOBase |
| bufWPtr | GHC.IOBase |
| bufferEmpty | GHC.IOBase |
| bufferFull | GHC.IOBase |
| bufferIsWritable | GHC.IOBase |
| build | GHC.Base, GHC.Exts |
| buildExpressionParser | Text.ParserCombinators.Parsec.Expr |
| buildG | Data.Graph |
| bullet | Text.Html |
| busError | System.Posix.Signals, System.Posix |
