Function vulkan_sys::vkCreateDebugUtilsMessengerEXT

pub unsafe extern "system" fn vkCreateDebugUtilsMessengerEXT(
    instance: VkInstance, 
    pCreateInfo: *const VkDebugUtilsMessengerCreateInfoEXT, 
    pAllocator: *const VkAllocationCallbacks, 
    pMessenger: *mut VkDebugUtilsMessengerEXT
) -> VkResult