61     int i, j, err, rank, np, num_io;  in main()  local
92     num_io = 2;  in main()
94     request = (MPI_Request *) malloc(num_io * sizeof(MPI_Request));  in main()
95     statuses = (MPI_Status *) malloc(num_io * sizeof(MPI_Status));  in main()
163         char *wr_buf = (char *) calloc(num_io * global_array_size, 1);  in main()
167         err = MPI_File_write(fh, wr_buf, num_io * global_array_size, MPI_CHAR, &status);  in main()
183     for (i = 0; i < num_io; i++) {  in main()
191     err = MPI_Waitall(num_io, request, statuses);  in main()
199         char *rd_buf = (char *) calloc(num_io * global_array_size, 1);  in main()
202         err = MPI_File_read(fh, rd_buf, num_io * global_array_size, MPI_CHAR, &status);  in main()
218         for (k = 0; k < num_io; k++) {  in main()
236         for (i = 0; i < 2 * YLEN * num_io; i++) {  in main()