public boolean isVariableSymbol(Symbol s) {
		Symbol parent = s.getParentSymbol();
		if (parent == null || !isFunctionSymbol(parent)) {
			return false;
		}
		SymbolType type = s.getSymbolType();
		return type == SymbolType.PARAMETER || type == SymbolType.LOCAL_VAR ||
			type == SymbolType.GLOBAL_VAR;
	}
Checks if the symbol is a function variable
@param s the symbol to check
@return true if s is a function variable symbol
Ghidra/Features/Base/src/main/java/ghidra/app/util/SymbolInspector.java