diff -urN rt_v31/rt.c rt_v32/rt.c
--- rt_v31/rt.c	2018-05-02 00:59:34.000000000 +0900
+++ rt_v32/rt.c	2018-05-06 21:09:49.000000000 +0900
@@ -36,7 +36,7 @@
 map_col(int idx, struct line *l_nv_g, int rev, double sec, int *ret_col)
 {
 	struct data_one *d = data_one_get(idx);
-	int sz, i, fn;
+	int i, fn;
 	int sum_col[3] = {-1,-1,-1};
 
 	if(d->maps.n <= 0){
@@ -47,7 +47,6 @@
 	for(i=0; i<d->maps.n; i++){
 		struct map *m = &d->maps.lst[i];
 		struct line nv_line;
-		int fd;
 		double p[3], x, y;
 		int no_col[3] = {-1,-1,-1}, col[3];
 
@@ -346,14 +345,19 @@
 int
 main(int ac, char **av)
 {
-	int port = SOCK_PORT + 13;
 	void *funcs[] = {
 		srv_map_col,
 		srv_calc_diff,
 		srv_get_col,
 	};
 
-	if(ac >= 2 && strcmp(av[1], "boot") == 0){
+	if(arg_is(ac, av, 1, "boot")){
+		char *name = arg_s(ac, av, "name", "srv.rt");
+		char *buf = get_prop(name, NULL), *bp = buf;
+		int port;
+
+		bp = COPY_FROM_BP(bp, port);
+		free(buf);
 		sock_srv_main_loop(port, sizeof(funcs)/sizeof(*funcs), funcs);
 	}
 	return 0;
diff -urN rt_v31/rt.py rt_v32/rt.py
--- rt_v31/rt.py	2018-05-06 16:45:43.000000000 +0900
+++ rt_v32/rt.py	2018-05-06 21:28:39.000000000 +0900
@@ -194,12 +194,17 @@
 
 new_client = lambda name: sock.new_client(name, cmd_infs)
 
-names = [ 'srv.rt', 'srv.rt-2' ]
+names = [ 'srv.rt', 'srv.rt-14', 'srv.rt-15', 'srv.rt-16', 'srv.rt-17', 'srv.rt-18' ]
+names = names[:2]
+
+#names = [ 'srv.rt', 'srv.rt-2' ]
 #names = [ 'srv.rt' ]
+
 clis = list( map( new_client, names ) )
 
 if __name__ == "__main__":
 	if ut.arg_is(1, 'boot'):
-		sock.server('srv.rt', cmd_infs)
+		name = ut.arg_s('name', 'srv.rt')
+		sock.server(name, cmd_infs)
 		sys.exit(0)
 # EOF
diff -urN rt_v31/srvs.py rt_v32/srvs.py
--- rt_v31/srvs.py	2018-05-06 13:51:38.000000000 +0900
+++ rt_v32/srvs.py	2018-05-06 21:14:59.000000000 +0900
@@ -10,9 +10,14 @@
 	( 'srv.val', { 'port': base_port + 11, 'cmd': './val.py boot', 'pid': -1 } ),
 	( 'srv.img', { 'port': base_port + 12, 'cmd': './img.py boot', 'pid': -1 } ),
 	( 'srv.rt', { 'port': base_port + 13, 'cmd': './rt boot', 'pid': -1 } ),
-	( 'srv.cross', { 'port': base_port + 14, 'cmd': './cross boot', 'pid': -1 } ),
 
-	( 'srv.rt-2', { 'port': base_port + 23, 'cmd': 'echo "cd rt_v31 ; ./rt boot" | nc localhost {}'.format(base_port + 20), 'pid': -1 } ),
+	( 'srv.rt-14', { 'port': base_port + 14, 'cmd': './rt boot name=srv.rt-14', 'pid': -1 } ),
+	( 'srv.rt-15', { 'port': base_port + 15, 'cmd': './rt boot name=srv.rt-15', 'pid': -1 } ),
+	( 'srv.rt-16', { 'port': base_port + 16, 'cmd': './rt boot name=srv.rt-16', 'pid': -1 } ),
+	( 'srv.rt-17', { 'port': base_port + 17, 'cmd': './rt boot name=srv.rt-17', 'pid': -1 } ),
+	( 'srv.rt-18', { 'port': base_port + 18, 'cmd': './rt boot name=srv.rt-18', 'pid': -1 } ),
+
+	( 'srv.rt-2', { 'port': base_port + 23, 'cmd': 'echo "cd rt_v32 ; ./rt boot" | nc localhost {}'.format(base_port + 20), 'pid': -1 } ),
 ]
 
 infd = dict(infs)
diff -urN rt_v31/ut.c rt_v32/ut.c
--- rt_v31/ut.c	2018-04-29 22:55:29.000000000 +0900
+++ rt_v32/ut.c	2018-05-06 20:40:22.000000000 +0900
@@ -14,4 +14,44 @@
 	}
 }
 
+char *
+arg_s(int ac, char **av, char *k, char *def_val)
+{
+	int kn = strlen(k), n, i;
+
+	for(i=0; i<ac; i++){
+		n = strlen(av[i]);
+		if(kn+1 <= n && strncmp(av[i], k, kn) == 0 && av[i][kn] == '='){
+			return &av[i][kn+1];
+		}
+	}
+	return def_val;
+}
+
+int
+arg_i(int ac, char **av, char *k, int def_val)
+{
+	char *s =  arg_s(ac, av, k, NULL);
+	return s ? atoi(s) : def_val;
+}
+
+double
+arg_f(int ac, char **av, char *k, double def_val)
+{
+	char *s = arg_s(ac, av, k, NULL);
+	return s ? atof(s) : def_val;
+}
+
+int
+arg_is(int ac, char **av, int i, char *s)
+{
+	return strcmp( lst_get(ac, av, i, ""), s ) == 0;
+}
+
+char *
+lst_get(int ac, char **av, int i, char *def_val)
+{
+	return 0<=i && i<ac ? av[i] : def_val;
+}
+
 /* EOF */
diff -urN rt_v31/ut.h rt_v32/ut.h
--- rt_v31/ut.h	2018-04-29 22:51:07.000000000 +0900
+++ rt_v32/ut.h	2018-05-06 20:40:23.000000000 +0900
@@ -8,4 +8,11 @@
 
 void hex_dump(char *b, int n);
 
+char *arg_s(int ac, char **av, char *k, char *def_val);
+int arg_i(int ac, char **av, char *k, int def_val);
+double arg_f(int ac, char **av, char *k, double def_val);
+int arg_is(int ac, char **av, int i, char *s);
+
+char *lst_get(int ac, char **av, int i, char *def_val);
+
 #endif