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//0x4 bytes (sizeof)
enum _NT_IORING_OP_FLAGS
{
    NT_IORING_OP_FLAG_NONE = 0,
    NT_IORING_OP_FLAG_REGISTERED_FILE_0 = 1,
    NT_IORING_OP_FLAG_REGISTERED_FILE = 1,
    NT_IORING_OP_FLAG_REGISTERED_BUFFER_0 = 2,
    NT_IORING_OP_FLAG_REGISTERED_BUFFER = 2
};