return 0;
return ret;
bin_file(FILE *f){	char		buf[BUFSIZ];	int		i, m;	if (fseek(f, 0L, SEEK_SET) == -1)		return 0;	if ((m = (int)fread(buf, 1, BUFSIZ, f)) == 0)		return 0;	for (i = 0; i < m; i++)		if (!isprint(buf[i]) && !isspace(buf[i]))			return 1;	rewind(f);	return 0;}