怎么理解一下句子:1,extern void run(void (*ptask)());2,void run(void (*ptask)()){(*ptask)();}3,void (* code task[])() = {task0,task1,task2,task3};4,while(1){for(i=0;i<MAX_TASK;i++)if (task_delay[i]==0) {run(task[i]); break;}}
幕布斯6054654
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