Function vkBindVideoSessionMemoryKHR 

pub unsafe extern "system" fn vkBindVideoSessionMemoryKHR(
    device: VkDevice,
    videoSession: VkVideoSessionKHR,
    bindSessionMemoryInfoCount: u32,
    pBindSessionMemoryInfos: *const VkBindVideoSessionMemoryInfoKHR,
) -> VkResult

Available if built with prototypes.