data = newpamdata();
conv.conv = (int (*)(int, const struct pam_message **, struct pam_response **, void *))pamconv;
conv.appdata_ptr = auth;
data = newpamdata();
conv.conv = (int (*)(int, const struct pam_message **, struct pam_response **, void *))pamconv;
conv.appdata_ptr = auth;