DMOD
if ((arfd = rmtopen(name, O_RDWR, DMOD)) == -1) {
} else if ((arfd = open(name, EXT_MODE, DMOD)) < 0)
} else if ((arfd = open(name, AR_MODE, DMOD)) < 0)
} else if ((arfd = open(name, APP_MODE, DMOD)) < 0)