Provided by: openmpi-doc_2.1.1-8_all 

NAME
MPI_T_category_get_num - Query the number of categories
SYNTAX
C Syntax
#include <mpi.h>
int MPI_T_category_get_num(int *num_cat)
OUTPUT PARAMETERS
num_cat Current number of categories
DESCRIPTION
MPI_T_category_get_num can be used to query the current number of categories.
ERRORS
MPI_T_category_get_num() will fail if:
[MPI_T_ERR_NOT_INITIALIZED]
The MPI Tools interface not initialized
2.1.1 May 10, 2017 MPI_T_category_get_num(3)