/*D
   MPI_Error_string - Return a string for a given error code

Synopsis:
.vb
int MPI_Error_string(int errorcode, char *string, int *resultlen)
.ve

Input Parameters:
. errorcode - Error code returned by an MPI routine (integer)

Output Parameters:
+ string - Text that corresponds to the errorcode (string)
- resultlen - Length (in printable characters) of the result returned in string (integer)

Notes:
Error codes are the values return by MPI routines (in C) or in the
'ierr' argument (in Fortran).  These can be converted into error classes
with the routine 'MPI_Error_class'.

.N ThreadSafe

.N Fortran

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

D*/

