Function mupdf_sys::fz_keep_image_store_key

pub unsafe extern "C" fn fz_keep_image_store_key(
    ctx: *mut fz_context, 
    image: *mut fz_image
) -> *mut fz_image

Increment the store key reference for an image. Returns the same pointer. (This is the count of references for an image held by keys in the image store).

Never throws exceptions.