/*D
   MPI_File_preallocate - Preallocates storage space for a file

Synopsis:
.vb
int MPI_File_preallocate(MPI_File fh, MPI_Offset size)
.ve

Input Parameters:
+ fh - file handle (handle)
- size - size to preallocate file (integer)

.N ThreadSafe

.N Fortran

.N Errors
.N MPI_SUCCESS
.N MPI_ERR_OTHER

D*/

