stringify_lockname
out += stringify_lockname(mle->mname, mle->mnamelen, buf + out, len - out);
static int stringify_lockname(const char *lockname, int locklen, char *buf,
out += stringify_lockname(res->lockname.name,
out += stringify_lockname(res->lockname.name, res->lockname.len,
stringify_lockname(res->lockname.name, res->lockname.len,