C_OK
if ((rv = getresponseline(fin, buf, buflen, &len)) != C_OK)
return C_OK;
case C_OK:
if ((rv = getresponseline(fin, buf, ftp_buflen, &len)) != C_OK)
rv = C_OK;
case C_OK:
if (getresponseline(fin, buf, ftp_buflen, &len) != C_OK)
rv = C_OK;
case C_OK:
case C_OK:
return C_OK;