#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");
}