* specified name is found. The value part is then interpreted in a specific
* way. The functions return true, if a child was found and could be
* interpreted correctly, otherwise false is returned and the variable value
* is not changed.
* (Please note that searching the lisp structure is O(n) so these functions
* specified name is found. The value part is then interpreted in a specific
* way. The functions return true, if a child was found and could be
* interpreted correctly, otherwise false is returned and the variable value
* is not changed.
* (Please note that searching the lisp structure is O(n) so these functions