Sample code for 30+ languages & platforms
C++

Generate UUID

See more ULID/UUID Examples

Generates a version 4 UUID, using either uppercase or lowercase hex.

Chilkat C++ Downloads

C++
#include <CkStringBuilder.h>

void ChilkatSample(void)
    {
    CkStringBuilder sb;

    //  Generate a lowercase UUID.
    bool lowercase = true;
    sb.AppendUuid(lowercase);
    std::cout << sb.getAsString() << "\r\n";

    //  example: edb1bb24-e9be-4ada-98bd-c2d893f29f55

    lowercase = false;
    sb.Clear();
    sb.AppendUuid(lowercase);
    std::cout << sb.getAsString() << "\r\n";

    //  example: 338EAF28-631E-4303-BE27-A8D80E9191CB
    }