Blt_TreeExists man page on MacOSX

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Blt_TreeExists(3)	    BLT Library Procedures	     Blt_TreeExists(3)

______________________________________________________________________________

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 quali‐
		 fier 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 oth‐
       erwise.

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

BLT				      2.4		     Blt_TreeExists(3)
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