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MPI_T_cvar_get_num(3)              Open MPI              MPI_T_cvar_get_num(3)

NAME
       MPI_T_cvar_get_num - Query the number of control variables

SYNTAX
C Syntax
       #include <mpi.h>
       int MPI_T_cvar_get_num(int *num_cvar)

OUTPUT PARAMETERS
       num_cvar  Current number of control variables.

DESCRIPTION
       MPI_T_cvar_get_num  can  be used to query the current number of control
       variables. The number of control variables may increase throughout  the
       execution of the process but will never decrease.

ERRORS
       MPI_T_cvar_get_num() will fail if:

       [MPI_T_ERR_NOT_INITIALIZED]
                 The MPI Tools interface not initialized

4.1.2                            Nov 24, 2021            MPI_T_cvar_get_num(3)

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