nvlist_merge
(void) nvlist_merge(nvl, attr, 0);
e |= nvlist_merge(nvl, payload, 0);
e |= nvlist_merge(nvl, payload, 0);
VERIFY0(nvlist_merge(dst, src, KM_SLEEP));
error = nvlist_merge(*nvl, tmpnvl, 0);
ret = nvlist_merge(iprops, proplist, 0);
ret = nvlist_merge(cprops, proplist, 0);
ret = nvlist_merge(tprops, proplist, 0);
if (nvlist_merge(
(void) nvlist_merge(*errors, errlist, 0);
ASSERT(nvlist_merge(recvprops, recv_delayprops, 0) == 0);
ASSERT(nvlist_merge(localprops, local_delayprops, 0) == 0);
(void) nvlist_merge(ereport, pl, 0);
int nvlist_merge(nvlist_t *, nvlist_t *, int);