strsize = strsep(&cp, " "); /* size */
if (cp == NULL || *strsize == '\0' ||
(dhg->size = (u_int)strtonum(strsize, 0, 64*1024, &errstr)) == 0 ||
strsize = strsep(&cp, " "); /* size */
if (cp == NULL || *strsize == '\0' ||
(dhg->size = (u_int)strtonum(strsize, 0, 64*1024, &errstr)) == 0 ||