pub unsafe extern "system" fn vkCreateInstance(
pCreateInfo: *const VkInstanceCreateInfo,
pAllocator: *const VkAllocationCallbacks,
pInstance: *mut VkInstance,
) -> VkResult
pub unsafe extern "system" fn vkCreateInstance(
pCreateInfo: *const VkInstanceCreateInfo,
pAllocator: *const VkAllocationCallbacks,
pInstance: *mut VkInstance,
) -> VkResult