29     let r = current_pcb().init_files();  in process_init_files()  localVariable
30     if r.is_ok() {  in process_init_files()
33         return r.unwrap_err().to_posix_errno();  in process_init_files()
54     let r = current_pcb().copy_files(clone_flags, from);  in process_copy_files()  localVariable
55     if r.is_ok() {  in process_copy_files()
58         return r.unwrap_err().to_posix_errno();  in process_copy_files()
69     let r: Result<(), SystemError> = pcb.exit_files();  in process_exit_files()  localVariable
70     if r.is_ok() {  in process_exit_files()
73         return r.unwrap_err().to_posix_errno();  in process_exit_files()
109     let r = init_stdio();  in rs_init_stdio()  localVariable
110     if r.is_ok() {  in rs_init_stdio()
113         return r.unwrap_err().to_posix_errno();  in rs_init_stdio()