/*D
   MPI_T_category_get_info - Get the information about a category

Synopsis:
.vb
int MPI_T_category_get_info(int cat_index, char *name, int *name_len,
                            char *desc, int *desc_len, int *num_cvars,
                            int *num_pvars, int *num_categories)
.ve

Input Parameters:
. cat_index - index of the category to be queried (integer)

Input/Output Parameters:
+ name_len - length of the string and/or buffer for name (integer)
- desc_len - length of the string and/or buffer for desc (integer)

Output Parameters:
+ name - buffer to return the string containing the name of the category (string)
. desc - buffer to return the string containing the description of the category (string)
. num_cvars - number of control variables in the category (integer)
. num_pvars - number of performance variables in the category (integer)
- num_categories - number of categories contained in the category (integer)

.N ThreadSafe

.N Errors
.N MPI_SUCCESS
.N MPI_T_ERR_INVALID_INDEX
.N MPI_T_ERR_NOT_INITIALIZED
.N MPI_ERR_OTHER

D*/

