以下正确的shell函数声明并且成功调用的是:
<div>function func(){<br> echo "Success"<br>}<br>func()</div>
<div>func(){<br> echo "Success"<br>}<br>func()</div>
<div>function func(){<br> echo "Success"<br>}<br>func</div>
<div>func(){<br> echo "Success"<br>}<br>func</div>
