#include <stdio.h> #include <stddef.h> static struct sss{ wchar_t f; double snd; } sss; #define _offsetof(st,f) ((char *)&((st *) 16)->f - (char *) 16) int main (void) { printf ("+++Struct wchar_t-double:\n"); printf ("size=%d,align=%d,offset-wchar_t=%d,offset-double=%d,\nalign-wchar_t=%d,align-double=%d\n", sizeof (sss), __alignof__ (sss), _offsetof (struct sss, f), _offsetof (struct sss, snd), __alignof__ (sss.f), __alignof__ (sss.snd)); return 0; }