C Operator Precedence

Type any C expression:




Unsupported expressions:

The C precedence order is as follows, from first to last evaluated:

Tokens Operator Class Association
names, literals simple tokens primary n/a
a[k] subscripting postfix left-to-right
f(…) function call postfix left-to-right 
.
 direct selection postfix left-to-right 
->
 indirect selection postfix left-to-right 
++ --
 increment, decrement postfix left-to-right 
(
typename
){
init
}
 compound literal (C99) postfix left-to-right 
++ --
 increment, decrement prefix right-to-left 
sizeof
 size unary right-to-left 
~
 bitwise not unary right-to-left 
!
 logical not unary right-to-left 
- +
 arithmetic negation, plus unary right-to-left 
&
 address of unary right-to-left 
*
 indirection unary right-to-left 
(
typename
)
 casts unary right-to-left 
* / %
 multiplicative binary left-to-right 
+ -
 additive binary left-to-right 
<< >>
 shift binary left-to-right 
< <= > >=
 relational binary left-to-right 
== !=
 equality binary left-to-right 
&
 bitwise and binary left-to-right 
^
 bitwise exclusive-or binary left-to-right 
|
 bitwise or binary left-to-right 
&&
 logical and binary left-to-right 
||
 logical or binary left-to-right 
? :
 conditional ternary right-to-left 
= += -= *=
/= %= <<= >>=
&= ^= |=
 assignment binary right-to-left 
,
 sequential evaluation binary left-to-right

References

©2023 Mats Mattsson