计算机系统组成相关问题 大佬们救救孩子

某程序中有整形变量
a=0x8eb5f7bf, b=0xe4f5430b, c=0x21749c01, d=0xe4206f3b。

程序代码中有如下语句：

b=&a;

d=&c;

a=a+0xca393be9;

*d=*b

则此时语句 printf(“c=%d\n”, c); 给出结果为?（十进制）

b=&a;
d=&c;
*d=*b;
是错误代码

编译器报错

/tmp/715475149/main.c:8:2: warning: incompatible pointer to integer conversion assigning to 'int' from 'int *'; remove & [-Wint-conversion]
b=&a;
 ^~~
/tmp/715475149/main.c:9:2: warning: incompatible pointer to integer conversion assigning to 'int' from 'int *'; remove & [-Wint-conversion]
d=&c;
 ^~~
/tmp/715475149/main.c:11:1: error: indirection requires pointer operand ('int' invalid)
*d=*b;
^~
/tmp/715475149/main.c:11:4: error: indirection requires pointer operand ('int' invalid)
*d=*b;
   ^~
/tmp/715475149/main.c:12:11: error: non-ASCII characters are not allowed outside of literals and identifiers
   printf(“c=%d\n”, c);
          ^
/tmp/715475149/main.c:12:16: error: expected expression
   printf(“c=%d\n”, c);
             ^
/tmp/715475149/main.c:12:20: error: non-ASCII characters are not allowed outside of literals and identifiers
   printf(“c=%d\n”, c);
                 ^
2 warnings and 5 errors generated.

exit status 1