smf_state_to_string
fromstr = smf_state_to_string(from);
tostr = smf_state_to_string(to);
(void) strlcat(pgname, smf_state_to_string(t),
(void) strlcat(pgname, smf_state_to_string(t),
const char *smf_state_to_string(int32_t);