if(counter==0&&Re_buf[0]!=0x55) return;是什么意思?

counter&=0x0f;是什么意思? if(counter==0&&Re_buf[0]!=0x55) return;是什么意思? 这是时钟电路中的时的判断 counter[4]=0; j++; counter[7]=j/10; counter[6]=j%10; if(j==24) { j=0; }可以用别的程序替换吗? P0=counter&0x0f怎么理解counter是一个变量 mouse_draw[i][k]=2;for(counter=1;counter 文件结束标志#include stdio.h#include conio.hmain(){int counter=0;while(getchar()!=EOF)counter++;printf(%d ,counter);getch();}输入什么时结束循环 输出counter的值 求水仙花数#include#includemain(){int x,y;int n,z,m;int temp,index;int counter;while(scanf(%d%d,&x,&y)!=EOF){if(x==0&&y==0){break;}else{if(x>y){temp=x;x=y;y=temp;}index=0;for(n=x;n python 问题>>> counter = 0>>> miles = 1000.0>>> name = 'Bob'>>> counter = counter + 1>>> kilometers = 1,609 * miles>>> print '%f miles is the same as &f km' % (miles, kilometers)Traceback (most recent call last): File , line 1, in print '%f C语言中关系表达式的值只能是布尔值1或0吗?sequence＿length += counter++%3 ==0counter++%3 ==0为true时的值就是1,这是《C语言入门经典》里面的一个小程序的一段只是不明白为什么是1?还有,那关系表达 下面两个程序,关于float和double.为什么float的那个程序在后面要有（float),但double这个却不用加(double#includeint main(void){int counter,grade,total;float average;total = 0;counter =0;printf(Enter grade,-1 to End;);scanf( =IF(B8>0,IF(AND(B8 =IF(IF(D6 麻烦老师们解释一下下面这段程序：void F281X_EV1_QEP_NO_INDEX_Calc(QEP *p){int32 Tmp;// Check the rotational directionp->DirectionQep = 0x4000&EvaRegs.GPTCONA.all;p->DirectionQep = p->DirectionQep>>14;// Check the timer 2 counter for QE COUNTER是什么意思 counter是什么意思? counter是什么意思 counter 在 Counter Attack