ph_timeout
pmap->ph_timeout = 0;
pmap->ph_timeout = atoi(p);
if (pmap->ph_timeout != 0)
ev = sm_setevent(pmap->ph_timeout, ph_timeout, 0);
if (pmap->ph_timeout != 0)
ev = sm_setevent(pmap->ph_timeout, ph_timeout, 0);
time_t ph_timeout; /* timeout interval */