rd_wrbuf
if ((ret = rd_wrbuf(hdend, res)) == res)
i = rd_wrbuf(hdend, res);
if ((rd_wrbuf(arcn->name,nsz) != nsz) || (arcn->name[nsz-1] != '\0') ||
if (rd_wrbuf(arcn->ln_name, (int)arcn->sb.st_size) !=
int rd_wrbuf(char *, int);
if (rd_wrbuf(end, rdlen) != rdlen) {
if (rd_wrbuf(buf, BLKMULT) != BLKMULT)