cpptr->IO.Terminate = POP3_C_Terminate;
cpptr->IO.LineReader = POP3_C_ReadServerStatus;
cpptr->IO.ConnFail = POP3_C_ConnFail;
cpptr->IO.Terminate = POP3_C_Terminate;
cpptr->IO.LineReader = POP3_C_ReadServerStatus;
cpptr->IO.ConnFail = POP3_C_ConnFail;