List of C operators with their symbol, syntax and precedence.
| Symbol | Syntax | Name | Precedence |
|---|---|---|---|
| [] | [x] | brackets | 1 |
| () | (x) | parenthesis | 1 |
| -> |
p->member |
structure member (from pointer) | 1 |
| . | x.member | structure member | 1 |
| ++ | ++x | prefix increment | 2 |
| -- | --x | prefix decrement | 2 |
| ++ | x++ | postfix increment | 2 |
| -- | x-- | postfix decrement | 2 |
| & | &x | variable address | 2 |
| * | *p | pointer indirection | 2 |
| sizeof() | sizeof(x) | size of variable in bytes | 2 |
| (type) | (type)x | type cast | 2 |
| ~ | ~x | bitwise NOT | 2 |
| ! | !x | logical NOT | 2 |
| + | +x | unary plus | 2 |
| - | -x | unary minus | 2 |
| * | x*y | multiplication | 3 |
| / | x/y | division | 3 |
| % | x%y | modulus (integer) | 3 |
| + | x+y | addition | 4 |
| - | x-y | subtraction | 4 |
| << | x<<y | left shift | 5 |
| >> | x>>y | right shift | 5 |
| > | x>y | greater than | 6 |
| >= | x>=y | greater than or equal | 6 |
| < | x<y | smaller than | 6 |
| <= | x<=y | smaller than or equal | 6 |
| == | x==y | comparison - equal to | 7 |
| != | x!=y | comparison - not equal to | 7 |
| & | x&y | bitwise AND | 8 |
| ^ | x^y | bitwise XOR | 9 |
| | | x|y | bitwise OR | 10 |
| && | x&&y | logical AND | 11 |
| || | x||y | logical OR | 12 |
| ?: | C ? T : F | Conditional expression | 13 |
| = | x=y | assignment operator | 14 |
| += | x+=y | addition and assignment | 14 |
| -= | x-=y | subtraction and assignment | 14 |
| *= | x*=y | multiplication and assignment | 14 |
| /= | x/=y | division and assignment | 14 |
| %= | x%=y | modulus and assignment | 14 |
| &= | x&=y | bitwise AND and assignment | 14 |
| |= | x|=y | bitwise OR and assignment | 14 |
| ^= | x^=y | bitwise XOR and assignment | 14 |
| >>= | x>>=y | right shift and assignment | 14 |
| <<= | x<<=y | left shift and assignment | 14 |
| , | x,y | Comma - expressions separator | 15 |
Syntax: x,y denotes a variable or expression.
p denotes a pointer.
Precedence: 1 is the highest.
