linux下的gcc编译器

				#include 								class c{				public:				  float f;				};												static class sss: public c{				public:				  char m;				} sss;								#define _offsetof(st,f) ((char *)&((st *) 16)->f - (char *) 16)								int main (void) {				  printf ("++Class with char inhereting class with float:\n");				  printf ("size=%d,align=%d\n", sizeof (sss), __alignof__ (sss));				  printf ("offset-float=%d,offset-char=%d,\nalign-float=%d,align-char=%d\n",				          _offsetof (class sss, f), _offsetof (class sss, m),				          __alignof__ (sss.f), __alignof__ (sss.m));				  return 0;				}