private boolean isInStdNameSpace() {
		Demangled ns = namespace;

		// if my immediate namespace is "std", then I am just a function in the std namespace.
		if (ns == null) {
			return false;
		}
		if (ns.getName().equalsIgnoreCase(STD_NAMESPACE)) {
			return true;
		}
		return false;
	}
Check that this function is not in the std namespace.
NOTE: There could be other namespaces, but this is a key one.

@return true if it is in the std namespace
Ghidra/Features/Base/src/main/java/ghidra/app/util/demangler/DemangledFunction.java