1269                            const char **fmt, int *psize, int *ntoalign) {  in getdetails()  argument
1277     *ntoalign = 0;  in getdetails()
1283     *ntoalign = (align - (int)(totalsize & (align - 1))) & (align - 1);  in getdetails()
1340     int size, ntoalign;  in str_pack()  local
1341     KOption opt = getdetails(&h, totalsize, &fmt, &size, &ntoalign);  in str_pack()
1342     totalsize += ntoalign + size;  in str_pack()
1343     while (ntoalign-- > 0)  in str_pack()
1423     int size, ntoalign;  in str_packsize()  local
1424     KOption opt = getdetails(&h, totalsize, &fmt, &size, &ntoalign);  in str_packsize()
1425     size += ntoalign;  /* total space used by option */  in str_packsize()
1486     int size, ntoalign;  in str_unpack()  local
1487     KOption opt = getdetails(&h, pos, &fmt, &size, &ntoalign);  in str_unpack()
1488     if ((size_t)ntoalign + size > ~pos || pos + ntoalign + size > ld)  in str_unpack()
1490     pos += ntoalign;  /* skip alignment */  in str_unpack()