Function steamworks_sys::SteamAPI_ISteamScreenshots_AddScreenshotToLibrary

pub unsafe extern "C" fn SteamAPI_ISteamScreenshots_AddScreenshotToLibrary(
    self_: *mut ISteamScreenshots, 
    pchFilename: *const c_char, 
    pchThumbnailFilename: *const c_char, 
    nWidth: c_int, 
    nHeight: c_int
) -> ScreenshotHandle