c结构位字段

Question

A code snippet is as follows:

struct wer
{
unsigned int a:5;
unsigned int:0;
unsigned int b:3;
unsigned int c:2;
unsigned int:0;
}v;

I know that all of these are packed bit fields but how to find the storage which would be needed for v.

Answer 1

您可以使用sizeof(v)获得v所需的存储空间。