rem: return save_real(_m, (udomain_t*)_t, _s, 1);
add: return save_real(_m, (udomain_t*)_t, 0, 1);
context: int save_memory(struct sip_msg* _m, char* _t, char* _s){	mem_only = FL_MEM;	return save_real(_m, (udomain_t*)_t, _s, 1);}