return nil
}

func findSignatureInBlock(b []byte) int {
	for i := len(b) - directoryEndLen; i >= 0; i-- {
		// defined from directoryEndSignature in struct.go
		if b[i] == 'P' && b[i+1] == 'K' && b[i+2] == 0x05 && b[i+3] == 0x06 {
			// n is length of comment
			n := int(b[i+directoryEndLen-2]) | int(b[i+directoryEndLen-1])<<8
			if n+directoryEndLen+i > len(b) {
				// Truncated comment.

    @Override
    protected Long peekKey() throws IOException {
        do {
            if (readn(this.in, this.sbuf, 0, 4) < 4) {
                return null;
            }
        } while (this.sbuf[0] == (byte) 0x85); /* Dodge NetBIOS keep-alive */
        /* read smb header */
        if (readn(this.in, this.sbuf, 4, SmbConstants.SMB1_HEADER_LENGTH) < SmbConstants.SMB1_HEADER_LENGTH) {
            return null;
        }

                }
                if (addr.getAddress() instanceof NbtAddress) {
                    final int code = ((NbtAddress) addr.getAddress()).getNameType();
                    if (code == 0x1d || code == 0x1b) {
                        type = TYPE_WORKGROUP;
                        return type;
                    }
                }
                type = TYPE_SERVER;
            }
        }

0113          ; valid                                  # 1.1  LATIN SMALL LETTER E WITH MACRON
0114          ; mapped                 ; 0115          # 1.1  LATIN CAPITAL LETTER E WITH BREVE
0115          ; valid                                  # 1.1  LATIN SMALL LETTER E WITH BREVE
0116          ; mapped                 ; 0117          # 1.1  LATIN CAPITAL LETTER E WITH DOT ABOVE

.12345E+5
1_5.         // == 15.0
0.15e+0_2    // == 15.0

0x1p-2       // == 0.25
0x2.p10      // == 2048.0
0x1.Fp+0     // == 1.9375
0X.8p-0      // == 0.5
0X_1FFFP-16  // == 0.1249847412109375
0x15e-2      // == 0x15e - 2 (integer subtraction)

0x.p1        // invalid: mantissa has no digits
1p-2         // invalid: p exponent requires hexadecimal mantissa
0x1.5e-2     // invalid: hexadecimal mantissa requires p exponent

* 🌐 Add Vietnamese translation for `docs/vi/docs/deployment/cloud.md`. PR [#13407](https://github.com/fastapi/fastapi/pull/13407) by [@ptt3199](https://github.com/ptt3199).

### Internal

* ⬆ Bump pydantic-ai from 0.0.15 to 0.0.30. PR [#13438](https://github.com/fastapi/fastapi/pull/13438) by [@dependabot[bot]](https://github.com/apps/dependabot).