NAME

       Tk_InternAtom, Tk_GetAtomName - manage cache of X atoms

SYNOPSIS

       #include <tk.h>

       Atom
       Tk_InternAtom(tkwin, name)

       const char *
       Tk_GetAtomName(tkwin, atom)

ARGUMENTS

       Tk_Window tkwin (in)           Token  for  window.   Used  to  map  atom or name relative to a particular
                                      display.

       const char *name (in)          String name for which atom is desired.

       Atom atom (in)                 Atom for which corresponding string name is desired.
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DESCRIPTION

       These procedures are similar to the Xlib procedures XInternAtom and XGetAtomName.  Tk_InternAtom  returns
       the  atom  identifier  associated  with  string given by name;  the atom identifier is only valid for the
       display associated with tkwin.  Tk_GetAtomName  returns  the  string  associated  with  atom  on  tkwin's
       display.   The string returned by Tk_GetAtomName is in Tk's storage:  the caller need not free this space
       when finished with the string, and the caller should not modify the contents of the returned string.   If
       there is no atom atom on tkwin's display, then Tk_GetAtomName returns the string “?bad atom?”.

       Tk  caches the information returned by Tk_InternAtom and Tk_GetAtomName so that future calls for the same
       information can be serviced from the  cache  without  contacting  the  server.   Thus  Tk_InternAtom  and
       Tk_GetAtomName  are  generally much faster than their Xlib counterparts, and they should be used in place
       of the Xlib procedures.

KEYWORDS

       atom, cache, display