51201. BrowserWindow
51202. Brush
51203. BrushVar
51204. BruteForceMatcher
51205. Brx
51206. BsonTreeItem
51207. Bstr
51208. BtTreeItem
51209. BtreeBasedAccessMethod
51210. Bubble
51211. Bucket
51212. BuddyPtr
51213. BufBuilder
51214. BufReader
51215. Buffer
51216. BufferArgs
51217. BufferBlob
51218. BufferContents
51219. BufferD3D
51220. BufferData
51221. BufferFrame
51222. BufferId
51223. BufferInfo
51224. BufferManager
51225. BufferObj
51226. BufferObject
51227. BufferPtr
51228. BufferReader
51229. BufferRef
51230. BufferType
51231. BufferView
51232. Buffer_t
51233. BufferedLine
51234. BufferedPort
51235. BufferedTransformation
51236. Buffers
51237. BugDriver
51238. BugReport
51239. BugReporter
51240. BuildConfigPtr
51241. BuildConfiguration
51242. BuildInfo
51243. BuildLineInfo
51244. BuildMatrixPtr
51245. BuildRecord
51246. BuildStepList
51247. Builder
51248. Building
51249. BuildingObject
51250. BuiltinFile
51251. BuiltinInst
51252. BuiltinPtr
51253. BulkData
51254. BulletMLNode
51255. BumpVector
51256. Bundle
51257. BundlePtr
51258. Bunny
51259. Bureaucrat
51260. BusManager
51261. Button
51262. Button3D
51263. ButtonGroup
51264. ButtonList
51265. ButtonPtr
51266. ButtonRefPtr
51267. ButtonWindow
51268. ButtonWindowStyle
51269. Buttons
51270. Bwh
51271. Bws
51272. Bwx
51273. ByteArray
51274. ByteArrayClass
51275. ByteArrayOutputStream
51276. ByteBuffer
51277. ByteBufferPtr
51278. ByteChunk
51279. ByteQueue
51280. ByteRange
51281. ByteStream
51282. ByteStreamFileSource
51283. ByteString
51284. ByteVec
51285. ByteVector
51286. ByteVectorList
51287. BytecodeBuffer
51288. Bytes
51289. C
51290. C1
51291. C2DMatrix
51292. C2DView
51293. C4ClientPlayerInfos
51294. C4Effect
51295. C4Facet
51296. C4Group
51297. C4Network2Client
51298. C4Network2IOConnection
51299. C4Object
51300. C4Player