Factored ICMP structs and defs into icmpdefs.h.

[icmp-dn.git] / src / icmpdnd.c

diff --git a/src/icmpdnd.c b/src/icmpdnd.c
index 5ab19f6..29d62f9 100644 (file)
--- a/src/icmpdnd.c
+++ b/src/icmpdnd.c
@@ -33,36 +33,12 @@
 #include "config.h"
 #endif
 
+#include "icmpdefs.h"
+
 #ifndef MAXHNAME
 #define MAXHNAME 1024
 #endif
 
-struct icmphdr {
-    u_int8_t type;
-    u_int8_t code;
-    u_int16_t checksum;
-};
-
-struct reqhdr {
-    u_int8_t type;
-    u_int8_t code;
-    u_int16_t checksum;
-    u_int16_t id;
-    u_int16_t seq;
-};
-
-struct rephdr {
-    u_int8_t type;
-    u_int8_t code;
-    u_int16_t checksum;
-    u_int16_t id;
-    u_int16_t seq;
-    int32_t ttl;
-};
-
-#define ICMP_NAMEREQ 37
-#define ICMP_NAMEREP 38
-
 volatile int alive;
 char myname[MAXHNAME] = "";
 
@@ -185,7 +161,7 @@ int main(int argc, char **argv)
        case '?':
        case ':':
        default:
-           fprintf(stderr, "usage: icmpdnd [-n]");
+           fprintf(stderr, "usage: icmpdnd [-nh] [-t ttl] [-d domainname]\n");
            exit((c == 'h')?0:1);
        }
     }