pub unsafe extern "C" fn ydb_node_next_st(
tptoken: u64,
errstr: *mut ydb_buffer_t,
varname: *const ydb_buffer_t,
subs_used: c_int,
subsarray: *const ydb_buffer_t,
ret_subs_used: *mut c_int,
ret_subsarray: *mut ydb_buffer_t,
) -> c_int