/*D
   MPI_Abi_get_fortran_booleans - Get the size of Fortran logical type and the .TRUE. and .FALSE. value

Synopsis:
.vb
int MPI_Abi_get_fortran_booleans(int logical_size, void *logical_true,
                                 void *logical_false, int *is_set)
.ve

Input Parameters:
. logical_size - the size of Fortran LOGICAL in bytes (integer)

Output Parameters:
+ logical_true - the Fortran literal value .TRUE. (logical)
. logical_false - the Fortran literal value .FALSE. (logical)
- is_set - flag to indicate whether the logical boolean values were set previously (logical)

.N ThreadSafe

.N Fortran

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

D*/

