How to get Rows Count

>
>
>a       b      d    c  
>01      02     b    *  
>01      02     a    *  
>02      03       
>02      04     b    *  
>02      04     a    *  
>03      05  
>04      06  
>
If I've a table like above, how do I make a query to get rows count that 
doesnt have '*' in it.

Can we have other queries than this : Select count(c) from tablename 
where c !='*';
or Select count(c) from tablename where c <> '*';