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C/C++ API Documentation | 2025.1

# StrOps::OtoX( const unsigned char *, int, StrBuf & )

Convert an octet stream into hex.

Virtual? | No |
Class | `StrOps` |
Arguments | `char *octet` | the input stream
| `int len` | length of the input in bytes
| `StrBuf &x` | the output string
Returns | `void` |

## Notes

This function converts the input stream into a string of hexadecimal numbers, with each byte from the input being represented as exactly two hex digits.

## Example

    const unsigned char stream[3] = { 'f', 'o', 'o' };
    StrBuf hex;
    StrOps::OtoX( stream, 3, hex );
    StrOps::Dump( hex );
    return 0;

Executing the preceding code produces the following output:

    % a.out
    666F6F

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