if (!strncmp(m, "CLR", i = 3) // clear
|| !strncmp(m, "SKC", i = 3) // sky clear
|| !strncmp(m, "NSC", i = 3) // no significant clouds
if (!strncmp(m, "CLR", i = 3) // clear
|| !strncmp(m, "SKC", i = 3) // sky clear
|| !strncmp(m, "NSC", i = 3) // no significant clouds