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