使用C/C++的union联合体将十进制转二进制

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union aa{      int x;      struct {          unsigned char b0:1;          unsigned char b1:1;          unsigned char b2:1;          unsigned char b3:1;          unsigned char b4:1;          unsigned char b5:1;          unsigned char b6:1;          unsigned char b7:1;          unsigned char b8:1;          unsigned char b9:1;          unsigned char b10:1;          unsigned char b11:1;          unsigned char b12:1;          unsigned char b13:1;          unsigned char b14:1;          unsigned char b15:1;          unsigned char b16:1;          unsigned char b17:1;          unsigned char b18:1;          unsigned char b19:1;          unsigned char b20:1;          unsigned char b21:1;          unsigned char b22:1;          unsigned char b23:1;          unsigned char b24:1;          unsigned char b25:1;          unsigned char b26:1;          unsigned char b27:1;          unsigned char b28:1;          unsigned char b29:1;          unsigned char b30:1;          unsigned char b31:1;      }; };   int _tmain( int argc, _TCHAR* argv[]) {      aa a;      a.x = 456;      printf ( "%d\n\n%d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d " ,a.x,          a.b31,a.b30,a.b29,a.b28,a.b27,a.b26,a.b25,a.b24,a.b23,a.b22,a.b21,a.b20,a.b19,a.b18,a.b17,a.b16,a.b15,a.b14,a.b13,a.b12,a.b11,a.b10,a.b9,a.b8,a.b7,a.b6,a.b5,a.b4,a.b3,a.b2,a.b1,a.b0);        getchar ();      return 0; }

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转载于:https://www.cnblogs.com/china-jeffery/p/3503185.html