#include static struct sss{ char f; long double a[10]; } sss; #define _offsetof(st,f) ((char *)&((st *) 16)->f - (char *) 16) int main (void) { printf ("++++Array of longdouble in struct starting with char:\n"); printf ("size=%d,align=%d\n", sizeof (sss), __alignof__ (sss)); printf ("offset-char=%d,offset-arrayof-longdouble=%d,\nalign-char=%d,align-arrayof-longdouble=%d\n", _offsetof (struct sss, f), _offsetof (struct sss, a), __alignof__ (sss.f), __alignof__ (sss.a)); printf ("offset-longdouble-a[5]=%d,align-longdouble-a[5]=%d\n", _offsetof (struct sss, a[5]), __alignof__ (sss.a[5])); return 0; }
