tzdirslashlen
&& strncmp(relname, tzdirslash, tzdirslashlen) == 0)
for (relname += tzdirslashlen; *relname == '/'; relname++)
size_t namesizemax = PATH_MAX - tzdirslashlen;
fullnamesize = tzdirslashlen + namelen + 1;
cp = mempcpy(lsp, tzdirslash, tzdirslashlen);
if (!SUPPRESS_TZDIR && tzdirslashlen < namelen
&& memcmp(name, tzdirslash, tzdirslashlen) == 0) {
char const *p = name + tzdirslashlen;
static_assert(tzdirslashlen <= PATH_MAX); /* Sanity check; assumed below. */