## Tcl8.6.0/Tk8.6.0 Documentation > Tcl/Tk Keywords - C

### Tcl/Tk Applications | Tcl Commands | Tk Commands | [incr Tcl] Package Commands | SQLite Package Commands | TDBC Package Commands | tdbc::mysql Package Commands | tdbc::odbc Package Commands | tdbc::postgres Package Commands | tdbc::sqlite3 Package Commands | Thread Package Commands | Tcl C API | Tk C API | [incr Tcl] Package C API | TDBC Package C API

### A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

cache
  InternAtom
call
  next, self, tailcall, tdbc_resultset, tdbc_statement
callback
  code, CallDel, CrtChnlHdlr, CrtCloseHdlr, CrtFileHdlr, CrtTimerHdlr, DoOneEvent, DoWhenIdle, Exit, Limit, CrtCmHdlr, CrtErrHdlr, CrtGenHdlr, EventHndlr, HandleEvent, ManageGeom, QWinEvent, SetClassProcs
cancel
  after, Cancel
canvas
  canvas, CanvPsY, CanvTkwin, CanvTxtInfo, CrtItemType
cap style
  ConfigWidg, GetCapStyl
caret
  SetCaret
carriage return
  fconfigure
case
  ToUpper
case conversion
  string
catch
  catch, return
cell
  grid
center
  GetJustify
centimeters
  GetPixels
channel
  chan, close, eof, fcopy, fileevent, flush, gets, puts, read, refchan, socket, tell, transchan, ChnlStack, CrtChnlHdlr, GetOpnFl, OpenFileChnl, OpenTcp
channel closing
  CrtCloseHdlr
channel driver
  CrtChannel, OpenFileChnl, SetChanErr
channel registration
  CrtChannel
channel type
  CrtChannel, SetChanErr
character
  string
check
  ttk_checkbutton
checkbutton
  checkbutton
child
  DetachPids
children
  winfo
choice
  ttk_combobox
class
  class, define, object, options, winfo, body, class, configbody, find, is, itcl, local, Class, AddOption, GetOption, SetClass, SetClassProcs, Class, RegisterC
classification
  UniCharIsAlpha
cleanup
  try, CallDel, Exit
clear
  clipboard, selection, Clipboard, ClrSelect
client
  OpenTcp
clientData
  TraceCmd, TraceVar
clipboard
  clipboard, Clipboard
clock
  clock, CrtTimerHdlr, QWinEvent
clone
  copy
close
  close
code
  scope
color
  chooseColor, colors, palette, photo, 3DBorder, CanvPsY, ConfigWidg, ConfigWind, GetColor, SetOptions
color selection
  chooseColor
colormap
  GetClrmap, GetVisual, SetVisual, WindowId
command
  info, mathop, namespace, rename, Tcl, trace, ttk_button, AppInit, CrtCommand, CrtInterp, CrtObjCmd, CrtSlave, CrtTrace, Ensemble, Namespace, NRE, ParseCmd, RecEvalObj, RecordEval, SetResult, TraceCmd, WrongNumArgs
command line
  ParseArgv
command substitution
  subst, SubstObj
command tracing
  ttrace
command-line arguments
  Tcl_Main, Tk_Main
commands
  Limit
comment
  Tcl
compare
  expr, string
compiler
  tclvars
complete command
  CmdCmplt
component
  itclcomponent
compress
  zlib, TclZlib
compression
  ChnlStack
concat
  StringObj
concatenate
  concat, eval, Concat, StringObj
condition variable
  Thread
conditional
  if
configuration
  RegConfig
configuration option
  SetOptions
configuration options
  ConfigWidg
configure
  ttk_widget, configbody, ConfigWind
connection
  socket, tdbc, tdbc_connection, tdbc_resultset, tdbc_statement, tdbc_mysql, tdbc_odbc, tdbc_postgres, tdbc_sqlite3
connectivity
  tdbc, tdbc_connection, tdbc_resultset, tdbc_statement, tdbc_mysql, tdbc_odbc, tdbc_postgres, tdbc_sqlite3
console
  console, CrtConsoleChan
constructor
  Class, Method
container
  ttk_frame, ttk_labelframe
containing
  CoordToWin
context
  uplevel, upvar
continue
  continue, return, AllowExc
conversion
  GetInt, PrintDbl, GetDash
conversion specifier
  format, scan
convert
  Encoding, SplitList, GetPixels
coordinates
  CoordToWin, GetRootCrd
copy
  copy
copy files
  file
coroutine
  coroutine
cpu architecture
  platform, platform_shell
create
  dict, open, CrtCommand, CrtInterp, CrtObjCmd, CrtTrace, CrtWindow
ctype
  string
current directory
  filename
cursor
  cursors, ConfigWidg, GetCursor, SetCaret, SetOptions
custom
  ConfigWidg

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