blkend
(void) blkcpy(blkend(up), vp);
tchar **blkend(tchar **);
uint8_t *src, *dst, *slrp, *dlrp, *blkend, *aadp;
blkend = src + ((byteswap) ? BSWAP_64(zilc->zc_nused) : zilc->zc_nused);
for (; slrp < blkend; slrp += lr_len) {
for (; slrp < blkend; slrp += lr_len, dlrp += lr_len) {