2.2.18.1.8 XACTUOW

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An XACTUOW is a structure that serves as a unique identifier for a transactional unit of work. An XACTUOW contains 16 unsigned single-byte characters representing a GUID ([MS-DTYP] section 2.3.4) and is defined as follows:

 typedef struct {
   unsigned char rgb[16];
 } XACTUOW;

rgb: An array of unsigned single-byte characters that contains a globally unique identifier (GUID).