to work with R source file, not applicable
base :: makeActiveBinding
base :: print.srcfile
base :: condition
base :: conditionMessage.condition
# The condition system
#
# tryCatch(expr, ..., finally)
# withCallingHandlers(expr, ...)
# signalCondition(cond)
# simpleCondition(message, call = NULL)
# simpleError (message, call = NULL)
# simpleWarning (message, call = NULL)
# simpleMessage (message, call = NULL)
base :: isRestart
base :: simpleError
base :: warnings
base :: close.srcfile
base :: debug
base :: commandArgs
base :: print.libraryIQR
base :: getDLLRegisteredRoutines
base :: print.packageInfo
base :: c.warnings
base :: [.warnings
base :: getNamespaceUsers
base :: env.profile
base :: last.warning
base :: loadedNamespaces
base :: setTimeLimit
base :: getHook
base :: print.restart
base :: system.time
base :: pos.to.env
base :: signalCondition
base :: require
base :: library.dynam
base :: unique.warnings
base :: rm # remove identifier from environment
base :: retracemem # marks an object if any function "copies" it
base :: sys.parents # access function call-stack
base :: sys.parent
base :: format.libraryIQR # loading attaching listing of packages
base :: getLoadedDLLs # get dll's loaded in current session
base :: [.Dlist
base :: standardGeneric # S4 methods
base :: dyn.unload
base :: Sys.unsetenv
base :: tracemem
base :: Sys.which
base :: format.packageInfo
base :: callCC
base :: trace
base :: suspendInterrupts
base :: print.NativeRoutineList
base :: print.DLLRegisteredRoutines
base :: allowInterrupts
base :: icuGetCollate
base :: getNamespaceExports
base :: invokeRestartInteractively
base :: libcurlVersion
base :: system
base :: print.DLLInfoList
base :: Sys.setenv
base :: untrace
base :: taskCallbackManager
base :: sys.frames
base :: namespaceImportFrom
base :: searchpaths
base :: loadNamespace
base :: getDLLRegisteredRoutines.DLLInfo
base :: on.exit
base :: Sys.getpid
base :: requireNamespace
base :: getExportedValue
base :: system2
base :: autoload
base :: namespaceImportMethods
base :: sys.on.exit
base :: setNamespaceInfo
base :: La_library # lapack library?
base :: attachNamespace
base :: addTaskCallback
base :: gcinfo
base :: gc.time
base :: sys.status
base :: sys.nframe
base :: [.noquote
base :: getTaskCallbackNames
base :: importIntoEnv
base :: namespaceImportClasses
base :: [.listof
base :: debugonce
base :: isNamespaceLoaded
base :: returnValue
base :: isBaseNamespace
base :: isS4
base :: isdebugged
base :: reg.finalizer
base :: missing
base :: gctorture
base :: namespaceExport
base :: parseNamespaceFile
base :::::
base :: lockEnvironment
base :: globalenv
base :: list2env
base :: is.environment
base :: repeat
base :: topenv
base :: debug
base :: proc.time
base :: path.package
base :: library
base :: chkDots
base :: dyn.load
base :: sys.calls
base :: match.call
base :: print.DLLInfo
base :: sys.function
base :: unloadNamespace
base :: stop
base :: Cstack_info
base :: print.proc_time
base :: is.loaded
base :: undebug
base ::$ .DLLInfo
base :: gctorture2
base :: getDLLRegisteredRoutines.character
base :: withAutoprint # # unknown
base :: bindingIsLocked
base :: suppressPackageStartupMessages # diagnostic
base :: loadingNamespaceInfo
base :: formals
base :: is.language
base :: print.srcref
base :: library.dynam.unload
base :: withRestarts
base :: is.call
base :: getNamespaceVersion
base :: remove # environment
base :: getNamespace