#define _REENT_INIT_PTR_ZEROED(var) \
{ (var)->_stdin = &__sf[0]; \
(var)->_stdout = &__sf[1]; \
(var)->_stderr = &__sf[2]; \
}
#define ARRAY_ACCESS(a) a[0]
#define ARRAY_FIELD_ACCESS(a) a[0].field
#define FIELD_ARRAY_ACCESS(a) a.field[0]
#define NESTED_ARRAY_ACCESS(a) a[0][0]