c语言的操作符共有15个优先级，如下：

c语言的操作符共有15个优先级，如下：
Operators     Associativity 
() [] -> .     left to right
! ~ ++ -- + - * (type) sizeof     right to left
* / %      left to right
+ -      left to right
<<  >>      left to right
< <= > >=      left to right
== !=      left to right
&      left to right
^      left to right
|      left to right
&&     left to right
||      left to right
?:      right to left
= += -= *= /= %= &= ^= |= <<= >>=     right to left
,      left to right