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