C
x
27
1
2
// without this line, it is success3
4
struct _c {5
int c1;6
_Decimal128 c2;7
};8
struct _b {9
int b1;10
_Decimal128 b2; 11
struct _c b3; //3rd nested structure12
};13
struct _a {14
int a1;15
_Decimal128 a2;16
struct _b a3; // 2nd nested structure17
};18
19
int main(void) {20
struct _a a;21
printf("sizeof(_Decimal128) = %d\n", (int)sizeof(_Decimal128));22
printf("_Alignof(_Decimal128) = %d\n", (int)_Alignof(_Decimal128));23
printf("&a = %p\n", (void*)&a);24
printf("&a.a3.b3.c2 = %p\n", (void*)&a.a3.b3.c2);25
return 0;26
}27
$ gcc prog.c -Wall -Wextra -std=c11
Start
sizeof(_Decimal128) = 16 _Alignof(_Decimal128) = 16 &a = 0x7fffee270d70 &a.a3.b3.c2 = 0x7fffee270da8
0
Finish