Operator precedence in C
OperatorDescriptionAssociativity
() Parentheses (grouping)
[]
.
->
Brackets (array subscript)
ember selection via object name
Member selection via pointer left-to-right
++ -- Unary preincrement/predecrement
+ -
! ~
(type)
*
&
sizeof
Unary plus/minus
Unary logical negation/bitwise complement
Unary cast (change type)
Dereference
Address
Determine size in bytes 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 (XOR) 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 assignment
Modulus/bitwise AND assignment
Bitwise exclusive/inclusive OR assignment
Bitwise shift left/right assignment
right-to-left
, Comma (separate expressions) left-to-right