pub unsafe extern "C" fn sk_GENERAL_SUBTREE_deep_copy(
sk: *const stack_st_GENERAL_SUBTREE,
copy_func: sk_GENERAL_SUBTREE_copy_func,
free_func: sk_GENERAL_SUBTREE_free_func,
) -> *mut stack_st_GENERAL_SUBTREEpub unsafe extern "C" fn sk_GENERAL_SUBTREE_deep_copy(
sk: *const stack_st_GENERAL_SUBTREE,
copy_func: sk_GENERAL_SUBTREE_copy_func,
free_func: sk_GENERAL_SUBTREE_free_func,
) -> *mut stack_st_GENERAL_SUBTREE