Index: icas_send/icas_recv.c
===================================================================
--- icas_send/icas_recv.c	(revision 246)
+++ icas_send/icas_recv.c	(revision 247)
@@ -9,4 +9,5 @@
 #include <unistd.h>
 #include <netinet/in.h>
+#include <time.h>
 
 void Die(char *mess)
@@ -27,4 +28,5 @@
     {
 	fprintf(stderr, "USAGE: %s <RECV_PORT>\n", argv[0]);
+	fprintf(stderr, "Ex: %s 3838\n", argv[0]);
 	exit(1);
     }
Index: icas_send/icas_send.c
===================================================================
--- icas_send/icas_send.c	(revision 246)
+++ icas_send/icas_send.c	(revision 247)
@@ -26,12 +26,13 @@
     ssize_t read;
 
-    if (argc <= 2)
+    if (argc <= 3)
     {
-	fprintf(stderr, "USAGE: %s <RECV_IP> <RECV_PORT>\n", argv[0]);
+	fprintf(stderr, "USAGE: %s <RECV_IP> <RECV_PORT> <BLACK LIST FILE PATH>\n", argv[0]);
+	fprintf(stderr, "Ex. %s 127.0.0.1 3838 /opt/icas/report/black/blacklist\n", argv[0]);
 	exit(1);
     }
 
     /* open blacklist to read black list data */
-    fd = fopen("blacklist","r");
+    fd = fopen(argv[3],"r");
     if (fd == NULL)
     {