You form unary expressions by combining a unary operator with
a single operand. All unary operators are of equal precedence and
group from right to left.
Syntax  | 
  | 
unary-expression ::=    postfix-expression    ++ unary-expression    -- unary-expression    unary-operator cast-expression    sizeof unary-expression    sizeof ( type-name )   unary-operator ::= one selected from      &  *   -   ~   !   +  | 
Examples  | 
  | 
Title not available (Examples )
- The unary plus operator
:
 +var
- The unary minus operator
:
  -var
- The address-of operator
:
 &var
- The indirect operator
:
 *ptr
- The logical NOT operator
:
 !var
- The bitwise NOT operator
:
 ~var