ttestping.c - plan9port - [fork] Plan 9 from user space
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       ---
       ttestping.c (352B)
       ---
            1 #include <u.h>
            2 #include <libc.h>
            3 #include <ip.h>
            4 #include <bio.h>
            5 #include <ndb.h>
            6 #include "dat.h"
            7 
            8 char        *blog = "ipboot";
            9 
           10 void
           11 main(int argc, char **argv)
           12 {
           13         fmtinstall('E', eipconv);
           14         fmtinstall('I', eipconv);
           15 
           16         if(argc < 2)
           17                 exits(0);
           18         if(icmpecho(argv[1]))
           19                 fprint(2, "%s live\n", argv[1]);
           20         else
           21                 fprint(2, "%s doesn't answer\n", argv[1]);
           22 }