4 ms·

And alignment?

• cozzyd 3y ago
  yes, you may need an alignas depending on platform (though you probably want it even if unaligned access is supported).
• kazinator 3y ago
  Just use alloca. // in your code, which you could write a helper macro for if you were so inclined opaque_foo_t *my_foo = alloca(opaque_foo_sz()); opaque_foo_init(my_foo);