/*D
   MPIX_Info_set_hex -

Synopsis:
.vb
int MPIX_Info_set_hex(MPI_Info info, const char *key, const void *value,
                      int value_size)
.ve

Input Parameters:
+ info - info object (handle)
. key - key (string)
. value - value (choice)
- value_size - size of value (integer)

.N ThreadSafe

.N Fortran

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

D*/

