HP-UX

Hi,
I am trying to fetch sysname and nodename using struct utsname. I have two HP-UX servers on with 10 characters and other with 13 characters host name. For the first one I am getting truncated 8 characters as output but for the second one i am getting "Value too large to be stored in data type" error. Why this is so ?
What should I do to avoid getting this error ?

Here is the sample code which I am using :

Code:

#include<stdio.h>
#include<sys/utsname.h>

int main()
{
struct utsname uts;

if(uname(&uts) != -1)
{
printf("\n sysname :%s",uts.sysname);
printf("\n nodename :%s",uts.nodename);
}
else
{
printf( "Error fetching uname: %s\n", strerror( errno ) );
perror( "Error fetching uname :" );
}
return 0;
}

It's not supposed to do that: uname(2)