debian man page for blt_treeexists

Blt_TreeExists(3)					      BLT Library Procedures						 Blt_TreeExists(3)

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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.
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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

BLT
									2.4							 Blt_TreeExists(3)