rem: return res;
add: return res;*/
context: static int get_local_uri(const str_t *src_uri, str_t* dst_uri){	str uri;	struct sip_uri parsed;	int res = -1;	if (dst_uri && src_uri) {		*dst_uri = *src_uri;		return 0;	}	else return -1;		uri.s = src_uri->s;	uri.len = src_uri->len;		if (parse_uri(src_uri->s, src_uri->len, &parsed) == 0) {		if (parsed.user.s) {			uri.s = parsed.user.s;			uri.len = src_uri->len - (parsed.user.s - src_uri->s);			res = 0;		} 	}		if (dst_uri) *dst_uri = uri;	return res;}