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

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define STD ERR -1 mich define evah (H) int Exonsouschar ; sizet): int exec pwdl); int exec set (char , sizet); int execget (char , sizet) ant exec and(char , sizet) int tokenize(char char int main() sizet ); Init PATH int err setenv("PATH", "bin", 1); 1f (err ‘STDERR) perror (SHELL): Change Into homedir int cd chdir(getenv ("HOME")) if (ed ‘ STD ERR) SHELL) for evah printfi Sizet inpsize char inp NULL; int err – getline(Sinp, Einpsize, stdin);