c++ - How do I create a pointer to an array of object pointers -

i have two-dimensional array of pointers block objects

block* grid[grid_columns][grid_rows]; (int i=0; i>grid_columns; i++) {     (int k=0; k>grid_rows; k++)     {         grid[i][k] = null;     } } 

how create pointer grid?

??? // create pointer grid here  myblock.shiftdown(???); // pass pointer grid function 

the function definition of myblock.shiftdown. should put in place of ??? make work?

void block::shiftdown(???) {     if (row == grid_rows)         ???grid[column][row] = this;     else         row++; } 

edit: i'm trying here letting block::shiftdown manipulate grid. if there's easier way hear it.

what problem with:

void block::shiftdown(block* g[grid_columns][grid_rows]) {     if (row == grid_rows)         g[column][row] = this;     else         row++; } 

and call it:

myblock.shiftdown(grid);