Question: A privileged Set-UID program needs to find out which directory it is currently in. There are two typical approaches. One is to use the PWD

A privileged Set-UID program needs to find out which directory it is currently in. There are two typical approaches. One is to use the PWD environment variable, which contains the full path of the current directory. Another approach is to use the getcwd() function (you can find its manual online). Please describe which approach you would like to take and why.

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