pub type PFN_vkCreateDisplayModeKHR = unsafe extern "system" fn(PhysicalDevice, DisplayKHR, *const DisplayModeCreateInfoKHR, *const AllocationCallbacks, *mut DisplayModeKHR) -> Result;pub type PFN_vkCreateDisplayModeKHR = unsafe extern "system" fn(PhysicalDevice, DisplayKHR, *const DisplayModeCreateInfoKHR, *const AllocationCallbacks, *mut DisplayModeKHR) -> Result;