/*D
   MPI_Test_cancelled - Tests to see if a request was cancelled

Synopsis:
.vb
int MPI_Test_cancelled(const MPI_Status *status, int *flag)
.ve

Input Parameters:
. status - status object (Status)

Output Parameters:
. flag - flag (logical)

.N ThreadSafe

.N Fortran

.N Errors
.N MPI_SUCCESS
.N MPI_ERR_ARG
.N MPI_ERR_OTHER

D*/

