Why not peruse the sources of the who utility and see how it finds the data you want?

http://www.opensource.apple.com/darwinsource/10.5/shell_cmds-116/who/


--
m-s

On 13 Mar, 2008, at 22:27, lazuardi wrote:


On 2008/03/14, at 10:51, Kyle Sluder wrote:

who (and last) use wtmp and utmp. man utmp(5) for info on how you can
access this information in your own programs.


Yes, I did use utmp as the darwin did at who command, referenced from shell_cmds-811 from darwin source.

but, as I said at my mail before, It didn't give me the full name of the user that has username more than 8 characters.
Is there any way to solve this?


Regards,
Ardian


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