IN6PTON_DOT
if (!(c & (IN6PTON_DIGIT | IN6PTON_DOT | IN6PTON_DELIM | IN6PTON_COLON_MASK))) {
if (c & (IN6PTON_DOT | IN6PTON_DELIM | IN6PTON_COLON_MASK)) {
if (c & IN6PTON_DOT) {
state |= IN6PTON_DOT;
return IN6PTON_DOT;