fscanf的指针移动

        start=clock();
	while(1){
		j=fscanf(fp,"%lf",&buf[cnt]);
		printf("j=%d  fp=%d\n",j,ftell(fp));
		if( j==1 ){
			cnt++;
		}else{  //文件尾或非法字符
			j=fscanf(fp,"%s",s);
			printf("j=%d  fp=%d\n",j,ftell(fp));
			if(j!=1)  break;
			else{
				ndcnt++;
				//printf("%s\t",s);
				//continue;    
			}     
		}
		count++;
	}
	fclose(fp);
	end=clock();
	printf("文件读取所花时间：%d 毫秒\n",(end-start));