To get the Userid..

I am working in an unix based environ.(gcc), i need to get
the userid/loginname without using the system(), is there
any in-built function to get it. hope you got the question.

--begin
beginAsked:
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maxkirCommented:
#include <pwd.h>

getuid() - get user id
getpwuid(uid) - get info about user from passwd file.
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beginAuthor Commented:
thanks, additionally how could i get the loginname which i am currently logged in.
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ozoCommented:
#include <unistd.h>
getlogin()
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