c语言位运算如何掌握

                         如何按位循环左移，或右移？

求解

    int num = 1;
    int offsetValue = 3; 
    num = num << offsetValue;
    printf("%d\n",num);
    num = num >> offsetValue;
    printf("%d\n",num);

int num = 1;
int offsetValue = 3;
num << offsetValue;
num >> offsetValue;