kolibrios/programs/system/shell/cmd/cmd_alias.c

int cmd_alias(char arg[]) {
	int result;

	if (NULL == arg || '\0' == arg[0]) {
		alias_list();
		return TRUE;
	}

	result = alias_check(arg);

	if ( ( 0 != result ) && ( -1 != result ) )
		alias_add(arg);

	return TRUE;
}