MSCHAPv2_resp
struct MSCHAPv2_resp *resp = (struct MSCHAPv2_resp *)(ans + 1);
alen == sizeof(struct MSCHAPv2_resp)) {
struct MSCHAPv2_resp *resp = (struct MSCHAPv2_resp *)(ans + 1);
const struct MSCHAPv2_resp *keyv2;
keyv2 = (const struct MSCHAPv2_resp *)(key + 1);