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C语言运算符优先级

来源:未知    时间:2018-11-03 14:51 作者:小飞侠

[导读] C语言运算符优先级 Precedence Operator Description Associativity 1 ++ -- Suffix/postfix increment and decrement Left-to-right () Function call [] Array subscripting . Structure and union member access − Structure and union member a...

C语言运算符优先级
PrecedenceOperatorDescriptionAssociativity
1++ --Suffix/postfix increment and decrementLeft-to-right
()Function call
[]Array subscripting
.Structure and union member access
−>Structure and union member access through pointer
(type){list}Compound literal(C99)
2++ --Prefix increment and decrementRight-to-left
+ Unary plus and minus
! ~Logical NOT and bitwise NOT
(type)Type cast
*Indirection (dereference)
&Address-of
sizeofSize-of
_AlignofAlignment requirement(C11)
3* / %Multiplication, division, and remainderLeft-to-right
4+ Addition and subtraction
5<< >>Bitwise left shift and right shift
6< <=For relational operators < and ≤ respectively
> >=For relational operators > and ≥ respectively
7== !=For relational = and ≠ respectively
8&Bitwise AND
9^Bitwise XOR (exclusive or)
10|Bitwise OR (inclusive or)
11&&Logical AND
12||Logical OR
13?:Ternary conditionalRight-to-Left
14=Simple assignment
+= −=Assignment by sum and difference
*= /= %=Assignment by product, quotient, and remainder
<<= >>=Assignment by bitwise left shift and right shift
&= ^= |=Assignment by bitwise AND, XOR, and OR
15,CommaLeft-to-right

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