pub unsafe extern "C" fn ecs_vec_append(
allocator: *mut ecs_allocator_t,
vec: *mut ecs_vec_t,
size: ecs_size_t,
) -> *mut c_voidpub unsafe extern "C" fn ecs_vec_append(
allocator: *mut ecs_allocator_t,
vec: *mut ecs_vec_t,
size: ecs_size_t,
) -> *mut c_void