pub type PFN_vkCreateInstance = unsafe extern "system" fn(p_create_info: *const InstanceCreateInfo, p_allocator: *const AllocationCallbacks, p_instance: *mut Instance) -> Result;
pub type PFN_vkCreateInstance = unsafe extern "system" fn(p_create_info: *const InstanceCreateInfo, p_allocator: *const AllocationCallbacks, p_instance: *mut Instance) -> Result;