C Operator Precedence Table.docx

C Operator Precedence Table
This page lists C operators in order of precedence (highest to lowest). Their associativity indicates in what order operators of equal precedence in an expression are applied.
Operator
Description
Associativity
( )
[ ]
.
->
++ --
Parentheses (function call) (see Note 1)
Brackets (array subscript)
Member selection via object name
Member selection via pointer
Postfix increment/decrement (see Note 2)
left-to-right
++ --
+ -
! ~
(type)
*
&
sizeof
Prefix increment/decrement
Unary plus/minus
Logical negation/plement
Cast (convert value to temporary value of type)
Dereference
Address (of operand)
Determine size in bytes on this implementation
right-to-left
*  /  %
Multiplication/division/modulus
left-to-right
+  -
Addition/subtraction
left-to-right
<<  >>
Bitwise shift left, Bitwise shift right
left-to-right
<  <=
>  >=
Relational less than/less than or equal to
Relational greater than/greater than or equal to
left-to-right
==  !=
Relational is equal to/is not equal to
left-to-right
&
Bitwise AND
left-to-right
^
Bitwise exclusive OR
left-to-right
|
Bitwise inclusive OR
left-to-right
&&
Logical AND
left-to-right
| |
Logical OR
left-to-right
? :
Ternary conditional
right-to-left
=
+=  -=
*=  /=
%=  &=
^=  |=
<<=  >>=
Assignment
Addition/subtraction assignment
Multiplication/division as