#include #include "test.h" void test_stddef_h(void) { ptrdiff_t ptrdiff; size_t size; wchar_t wchar; struct s { char a; char b; }; static struct s the_s; testing_header("stddef.h"); test_true(NULL == 0); test_int_equals(offsetof(struct s, b), (char*)&(the_s.b) - (char*)&the_s); testing_end(); }