int process_rootfs_open(ProcessHandle process, const char *fname) {
	char *proc;
	if (asprintf(&proc, "root%s", fname) < 0)
		errExit("asprintf");

	int rv = process_open_nofail(process, proc);

	free(proc);
	return rv;
}
int process_rootfs_open(ProcessHandle process, const char *fname) {
	char *proc;
	if (asprintf(&proc, "root%s", fname) < 0)
		errExit("asprintf");

	int rv = process_open_nofail(process, proc);

	free(proc);
	return rv;
}