#include #include static struct {char m;} s0; static struct {short m;} s1; static struct {int m;} s2; static struct {long m;} s3; static struct {long long m;} s4; static struct {char * m;} s5; static struct {float m;} s6; static struct {double m;} s7; static struct {long double m;} s8; static struct {ptrdiff_t m;} s9; static struct {size_t m;} s10; static struct {wchar_t m;} s11; static struct {struct {char m;}m;} s12; static struct {struct {short m;}m;} s13; static struct {struct {int m;}m;} s14; static struct {struct {long m;}m;} s15; static struct {struct {long long m;}m;} s16; static struct {struct {char * m;}m;} s17; static struct {struct {float m;}m;} s18; static struct {struct {double m;}m;} s19; static struct {struct {long double m;}m;} s20; static struct {struct {ptrdiff_t m;}m;} s21; static struct {struct {size_t m;}m;} s22; static struct {struct {wchar_t m;}m;} s23; static struct {char m [10];} s24; static struct {short m [10];} s25; static struct {int m [10];} s26; static struct {long m [10];} s27; static struct {long long m [10];} s28; static struct {char * m [10];} s29; static struct {float m [10];} s30; static struct {double m [10];} s31; static struct {long double m [10];} s32; static struct {ptrdiff_t m [10];} s33; static struct {size_t m [10];} s34; static struct {wchar_t m [10];} s35; static struct {int :0; char m;} s36; static struct {int :0; short m;} s37; static struct {int :0; int m;} s38; static struct {int :0; long m;} s39; static struct {int :0; long long m;} s40; static struct {int :0; char * m;} s41; static struct {int :0; float m;} s42; static struct {int :0; double m;} s43; static struct {int :0; long double m;} s44; static struct {int :0; ptrdiff_t m;} s45; static struct {int :0; size_t m;} s46; static struct {int :0; wchar_t m;} s47; int main (void) { int max_align = 0; printf ("+++Biggest field alignment:\n"); if (max_align < __alignof__ (s0.m)) max_align = __alignof__ (s0.m); if (max_align < __alignof__ (s1.m)) max_align = __alignof__ (s1.m); if (max_align < __alignof__ (s2.m)) max_align = __alignof__ (s2.m); if (max_align < __alignof__ (s3.m)) max_align = __alignof__ (s3.m); if (max_align < __alignof__ (s4.m)) max_align = __alignof__ (s4.m); if (max_align < __alignof__ (s5.m)) max_align = __alignof__ (s5.m); if (max_align < __alignof__ (s6.m)) max_align = __alignof__ (s6.m); if (max_align < __alignof__ (s7.m)) max_align = __alignof__ (s7.m); if (max_align < __alignof__ (s8.m)) max_align = __alignof__ (s8.m); if (max_align < __alignof__ (s9.m)) max_align = __alignof__ (s9.m); if (max_align < __alignof__ (s10.m)) max_align = __alignof__ (s10.m); if (max_align < __alignof__ (s11.m)) max_align = __alignof__ (s11.m); if (max_align < __alignof__ (s12.m)) max_align = __alignof__ (s12.m); if (max_align < __alignof__ (s13.m)) max_align = __alignof__ (s13.m); if (max_align < __alignof__ (s14.m)) max_align = __alignof__ (s14.m); if (max_align < __alignof__ (s15.m)) max_align = __alignof__ (s15.m); if (max_align < __alignof__ (s16.m)) max_align = __alignof__ (s16.m); if (max_align < __alignof__ (s17.m)) max_align = __alignof__ (s17.m); if (max_align < __alignof__ (s18.m)) max_align = __alignof__ (s18.m); if (max_align < __alignof__ (s19.m)) max_align = __alignof__ (s19.m); if (max_align < __alignof__ (s20.m)) max_align = __alignof__ (s20.m); if (max_align < __alignof__ (s21.m)) max_align = __alignof__ (s21.m); if (max_align < __alignof__ (s22.m)) max_align = __alignof__ (s22.m); if (max_align < __alignof__ (s23.m)) max_align = __alignof__ (s23.m); if (max_align < __alignof__ (s24.m)) max_align = __alignof__ (s24.m); if (max_align < __alignof__ (s25.m)) max_align = __alignof__ (s25.m); if (max_align < __alignof__ (s26.m)) max_align = __alignof__ (s26.m); if (max_align < __alignof__ (s27.m)) max_align = __alignof__ (s27.m); if (max_align < __alignof__ (s28.m)) max_align = __alignof__ (s28.m); if (max_align < __alignof__ (s29.m)) max_align = __alignof__ (s29.m); if (max_align < __alignof__ (s30.m)) max_align = __alignof__ (s30.m); if (max_align < __alignof__ (s31.m)) max_align = __alignof__ (s31.m); if (max_align < __alignof__ (s32.m)) max_align = __alignof__ (s32.m); if (max_align < __alignof__ (s33.m)) max_align = __alignof__ (s33.m); if (max_align < __alignof__ (s34.m)) max_align = __alignof__ (s34.m); if (max_align < __alignof__ (s35.m)) max_align = __alignof__ (s35.m); if (max_align < __alignof__ (s36.m)) max_align = __alignof__ (s36.m); if (max_align < __alignof__ (s37.m)) max_align = __alignof__ (s37.m); if (max_align < __alignof__ (s38.m)) max_align = __alignof__ (s38.m); if (max_align < __alignof__ (s39.m)) max_align = __alignof__ (s39.m); if (max_align < __alignof__ (s40.m)) max_align = __alignof__ (s40.m); if (max_align < __alignof__ (s41.m)) max_align = __alignof__ (s41.m); if (max_align < __alignof__ (s42.m)) max_align = __alignof__ (s42.m); if (max_align < __alignof__ (s43.m)) max_align = __alignof__ (s43.m); if (max_align < __alignof__ (s44.m)) max_align = __alignof__ (s44.m); if (max_align < __alignof__ (s45.m)) max_align = __alignof__ (s45.m); if (max_align < __alignof__ (s46.m)) max_align = __alignof__ (s46.m); if (max_align < __alignof__ (s47.m)) max_align = __alignof__ (s47.m); printf ("max field align=%d\n", max_align); return 0; }