lisalnum
if (!lisalnum(c) || (xx = DIGIT(c)) >= base) {
for (c = *++ustr; lisalnum(c) && (xx = DIGIT(c)) < base; ) {
for (c = *++ustr; lisalnum(c) && (xx = DIGIT(c)) < base; (c = *++ustr))
if (!lisalnum(c) || (xx = DIGIT(c)) >= base) {
for (c = *++ustr; lisalnum(c) && (xx = DIGIT(c)) < base; ) {
for (c = *++ustr; lisalnum(c) && (xx = DIGIT(c)) < base; (c = *++ustr))
if (!lisalnum(c) || (xx = DIGIT(c)) >= base) {
for (c = *++ustr; lisalnum(c) && (xx = DIGIT(c)) < base; ) {
for (c = *++ustr; lisalnum(c) && (xx = DIGIT(c)) < base; (c = *++ustr))
if (!lisalnum(c) || (xx = DIGIT(c)) >= base) {
for (c = *++ustr; lisalnum(c) && (xx = DIGIT(c)) < base; ) {
for (c = *++ustr; lisalnum(c) && (xx = DIGIT(c)) < base; (c = *++ustr))
while (p < limit && lisalnum(start[j])) {
for (; pos < end && c != '\0' && lisalnum(c) && (x = DIGIT(c)) < base;