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<span style="font-size: 10pt"><a href="/plan9/">Plan 9 from Bell Labs</a>&rsquo;s /usr/web/sources/contrib/cinap_lenrek/dialtest.c</span></p>
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Copyright © 2009 Alcatel-Lucent.<br />
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#include &lt;u.h&gt;
#include &lt;libc.h&gt;

int fd;
int tmout;

void
usage(void)
{
       fprint(2, "usage: %s [ -t timeout ] addr\n", argv0);
       exits("usage");
}

void
catch(void *, char *msg)
{
       fprint(2, "catch: %s\n", msg);
       if(strstr(msg, "alarm"))
               noted(NCONT);
       noted(NDFLT);
}

void
main(int argc, char *argv[])
{
       int i;

       ARGBEGIN {
       case 't':
               tmout = atoi(EARGF(usage()));
               break;
       } ARGEND;

       if(*argv == nil)
               usage();

       notify(catch);
       for(i=0; i&lt;5; i++){
               if(tmout &gt; 0)
                       alarm(tmout);
               if((fd = dial(*argv, 0, 0, 0)) &lt; 0){
                       fprint(2, "dial: %r\n");
               } else {
                       fprint(2, "fd = %d\n", fd);
                       close(fd);
               }
               if(tmout &gt; 0)
                       alarm(0);
       }

       for(fd=3; fd&lt;100; fd++){
               char buf[1024];
               if(fd2path(fd, buf, sizeof(buf)) != 0)
                       continue;
               fprint(2, "leaked fd %d: %s\n", fd, buf);
       }
}
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