使用一个类型，多个变量的定义操作

#include "common.h"
#include <stdio.h>
#include <stdlib.h>
 
static float test_point = 1.3435;
static int   normal_point = 1;


//8进制g
static int   test_data = 01000;
static char  signed_data = 0b01111111;
static unsigned char  unsigned_data = 0b11111111;
static char  full_signed_data = 0b11111111;
static char  A = ‘a‘;
static int  B_Data = 0;


int main()
{
    char letter = 7;
    char add = 0,b= 0,c=0;
    int tower = 10, age = 50;
    B_Data = (b=3,c=2);
    {
        while (1)
        {
            printf("letter is %d\n", letter);
            printf("add is %d\n", add);
            printf("B_Data is %d\n",B_Data);
            printf("tower is %d\n", tower);
            printf("age is %d\n", age);
            Sleep(1000);
        }
    }

    return 0;
}