Describes a single transmit stream buffer. A transmit buffer may consist of up to four fragments, which are concatenated when the frame is transmitted. A stream buffer also contains a time at which the frame described by the buffer wil be transmitted.
typedef struct {
    DWORD launch_time;      // offset in nanoseconds from hpeSetTransmitTimeOffset
    DWORD context,          // user defined
    DWORD reserved[2];      // future use
    DWORD fragment_count;   // number of valid fragments
    HPEBUFFER fragments[4]; // the fragments} HPETXSTREAMBUFFER;
launch_time 
offset in nanoseconds from hpeSetTransmitTimeOffset 
context 
fragment_count 
fragments field 
fragments 
| Versions | Defined in | Include | Link to | 
|---|---|---|---|
| INtime 6.0 (HPE3) | intime/rt/include/hpeif2.h | hpeif2.h | hpeif2.lib |