通过

C Unary Operators 

  • 项目

Unary operators appear before their operand and associate 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 of
    &   *   +   –   ~   !

See Also

Reference

C Operators