/*D
   MPI_T_event_copy - Copy event data as a whole into a user-specified buffer

Synopsis:
.vb
int MPI_T_event_copy(MPI_T_event_instance event_instance, void *buffer)
.ve

Input Parameters:
. event_instance - event instance provided to the callback function (handle)

Output Parameters:
. buffer - user-allocated buffer for event data (choice)

.N ThreadSafe

.N Errors
.N MPI_SUCCESS
.N MPI_T_ERR_INVALID
.N MPI_T_ERR_INVALID_HANDLE
.N MPI_T_ERR_NOT_INITIALIZED
.N MPI_ERR_OTHER

D*/

