> > So you are correct that gethostid has been around for a while,
> > but this call returns a 32bit number, typically the IP.
>
> ?? No, it returns a value that's unique to the local machine even if it
> was not configured on any network.?? Plus, the IP can change, but the
> hostid is supposed to be static.?? The Unix hostid was developed in order
> to uniquely identify a machine regardless of where in the Internet it
> is.?? What you described is the gethostbyname syscall.
Maybe your system is different to mine, but try compiling the below
and find out for yourself:
#include <stdio.h>
#include <unistd.h>
int main()
{
int id;
id = gethostid();
printf("my id is 0x%08x\n", id);
return 0;
}
regards
marc
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