Provided by: blt-dev_2.4z-4.2ubuntu1_amd64 bug

NAME

       Blt_TreeExists - Indicates if a tree exists.

SYNOPSIS

       #include <bltTree.h>

       int
       Blt_TreeExists(interp, name)

ARGUMENTS

       Tcl_Interp   *interp   (in)      Interpreter to determine current namespace context.

       const char   *name     (in)      Name  of  an existing tree data object.  Can be qualified
                                        by a namespace.
_________________________________________________________________

DESCRIPTION

       This procedure determines if a C-based tree data  object  exists  by  a  given  name.  The
       arguments are as follows:

       interp    Used the determine the current namespace context.

       name      Name of an existing tree data object.  Name can be qualified by a namespace such
                 as fred::myTree.  If no namespace qualifier is used, the  current  namespace  is
                 searched, then the global namespace.

RETURNS

       A boolean result is returned.  If the tree exists 1 is returned, 0 otherwise.

EXAMPLE

       The following example checks if a tree "myTree" exists.

              if (!Blt_TreeExists(interp, "myTree")) {
                  fprintf(stderr, "can't find tree \"myTree\\n");
              }

KEYWORDS

       tree, token Tcl_TreeCreate, Tcl_TreeGetToken, Tcl_TreeReleaseToken