C Syntax

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                                                  Jun 07, 2025                         MPI_T_CATEGORY_GET_NUM(3)

MPI_T_category_get_num can be used to query the current number of categories.

MPI_T_category_get_num will fail if:

       • MPI_T_ERR_NOT_INITIALIZED: The MPI Tools interface not initialized

       • num_cat: Current number of categories

CSyntax
          #include <mpi.h>

          int MPI_T_category_get_num(int *num_cat)