domain name

I have a program which generates the fqdn of a host using sysinfo() call. I need to get the same name from a remote host . I am using gethostbyname(). Sometimes these names dont match. I find extra domain names in sysinfo() output. Is this because of a wrong set up ?. Is it okay for a user to have the nis domainname seprated from the dns domain  ?
nsureshAsked:
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ahoffmannConnect With a Mentor Commented:
yes that's legal (and sometimes not confusing humans ;-)
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ahoffmannCommented:
which sysinfo does return a FQDN? AFAIK if it returns a hostname at all (like SunOS) it's just the hostname, but not FQDN.
gethostbyname() is what you need (but requires a proper setup of the resolver).
NIS-domain and internet-domain are completely different, usually, it just may be the same.
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nsureshAuthor Commented:
using sysinfo you can set a parameter SI_SRPC_DOMAIN, and get the full domain name. now add this to your host name you can get the FQDN.

ok now you mean to say it is legal for a set up to have NIS domain and internet domain different ?
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CleanupPingCommented:
nsuresh:
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nsureshAuthor Commented:
ahoffmans answer really didnt fully answer my question. Anyway it did help me.
so giving points..sorry about the time..didnt notice this
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