ref: 7f062a8fea451fcaf1629e9c71c5af0ecc2adfb4
dir: /include/err.h/
#pragma once enum { OK = 0, /* you don't want these mass up with your values */ /* files */ PERM_DENIED = -128, NAME_TOO_LONG, INVALID_FILENAME, NO_SUCH_FILE, NO_SUCH_FS, FS_NOT_READY, DIR_NOT_EMPTY, NO_MEM, LL_ERR, NO_SUCH_CMD, USAGE, /* users */ NO_SUCH_USER, INVALID_USERNAME, INCORRECT_PASSWD, INVALID_PASSWD, AUTH_FAILED, OVERFLOW, }err;