When your professor says you can’t use while(true)

[text] vy SEEETRIH s et RS Ko e el R Lo S H int tokenizechar char s size t pid main Init PATH int err setenvPATH bin 1 if err STDERR perrorSHELL Change into homedir int cd chdirgetenvHOMNE if cd STDERR izet inpsize 9 o NULL i LT T e T