A callback is a pointer to a function , so if you want a processing function to notify you about some event you pass a pointer to another function ( the callback ) to the processing function 回调是一个指向函数的指针,所以如果你希望一个处理函数通知你某些事件发生了,你可以传递一个指向其他函数的指针(回调)给处理函数。
指向: directing; sensing; sense of ...函数: function的: 4次方是 The fourth power of 2 i ...指针: hand; indicator; pointer; ne ...回调函数,指向函数的指针: callback function指向函数: directivity function指向成员的指针: pointer to member; pointer-to-member单向函数: one-way function; owf定向函数: orientation function径向函数: radial function线的指向: sense of a line磅秤的指针: tongue拨快的指针: put ahead堆栈的指针: pointer to stack钟的指针: 47.the hands of the clock指针指向空: nil函数的: functionally非引用的指针: dereferenced pointer可调指向指针: adjustable target pointer指向性函数: directivity function函数指针: function pointers电流函数的: current-responsive函数的逼近: approximation of function函数的变差: variation of a function函数的残数: residue of a function