static SymbolsHeader parseHeader(RBuffer *buf) {
	ut8 b[64];
	SymbolsHeader sh = { 0 };
	(void)r_buf_read_at (buf, 0, b, sizeof (b));
	sh.magic = r_read_le32 (b);
	sh.version = r_read_le32 (b + 4);
	sh.valid = sh.magic == 0xff01ff02;
	int i;
	for (i = 0; i < 16; i++) {
		sh.uuid[i] = b[24 + i];
	}
	sh.unk0 = r_read_le16 (b + 0x28);
	sh.unk1 = r_read_le16 (b + 0x2c); // is slotsize + 1 :?
	sh.slotsize = r_read_le16 (b + 0x2e);
	sh.size = 0x40;
	return sh;
}