1 #include <stdio.h>
2 #include <stddef.h>
3 
4 static struct sss{
5   long long f;
6   ptrdiff_t snd;
7 } sss;
8 
9 #define _offsetof(st,f) ((char *)&((st *) 16)->f - (char *) 16)
10 
11 int main (void) {
12   printf ("+++Struct longlong-ptrdiff_t:\n");
13   printf ("size=%d,align=%d,offset-longlong=%d,offset-ptrdiff_t=%d,\nalign-longlong=%d,align-ptrdiff_t=%d\n",
14           sizeof (sss), __alignof__ (sss),
15           _offsetof (struct sss, f), _offsetof (struct sss, snd),
16           __alignof__ (sss.f), __alignof__ (sss.snd));
17   return 0;
18 }
19