filesize -package:hackage-security -package:http-conduit -package:tar-conduit -package:pantry -package:turtle -package:base -package:MissingH is:exact

fileSize :: FileStatus -> FileOffset
unix System.Posix.Files System.Posix.Files.ByteString System.Posix.Files.PosixString, unix-compat System.PosixCompat.Files
Size of the file in bytes. If this file is a symbolic link the size is the length of the pathname it contains.
fileSize :: StreamFileStatus -> Int64
http-client Network.HTTP.Client Network.HTTP.Client.Internal
filesize :: ArchiveEntry -> Int
ghc GHC.SysTools.Ar, ghc-lib GHC.SysTools.Ar
File size.
fileSize :: FindClause FileOffset
filemanip System.FilePath.Find