arwrite
static void arwrite(const char *, int, const char *, size_t);
arwrite(name, ar_outfile.fd, ARMAG, SARMAG);
arwrite(name, ar_outfile.fd, long_strtbl.base,
arwrite(name, ar_outfile.fd, fptr->ar_contents,
arwrite(name, ar_outfile.fd, pad_bytes, pad_cnt);
arwrite(filename, fd, buf, len);
arwrite(filename, fd, buf, tblsize);
arwrite(filename, fd, sym_strtbl.base, sym_strtbl.used);