public boolean isEntryPointSymbol(Symbol s) {
		if (isBadReferenceSymbol(s)) {
			return false;
		}
		return s.isExternalEntryPoint();
	}
Checks if the given symbol is at an external entry point
@param s the symbol to check
@return boolean true if the symbol is at an external entry point address.
Ghidra/Features/Base/src/main/java/ghidra/app/util/SymbolInspector.java