MAXDESCLEN
d = bf = malloc(MAXDESCLEN, M_TEMP, M_WAITOK);
k = malloc(MAXDESCLEN, M_TEMP, M_WAITOK);
k, MAXDESCLEN, &sz);
memset(bf, 0, MAXDESCLEN);
MAXDESCLEN - sizeof(*d), &sz) != 0) {
memset(bf, 0, MAXDESCLEN);