reduced version of cligol's main.c file for medium article

cligol.c

#include "headers/config.h"
#include "headers/custom_string.h"

void compute (int neighbors[BOARD_HEIGHT][BOARD_WIDTH], int board[BOARD_HEIGHT][BOARD_WIDTH]);

void randomize (int board[BOARD_HEIGHT][BOARD_WIDTH]);

void clear () { printf ("\033[H\033[J"); }

void show (int board[BOARD_HEIGHT][BOARD_WIDTH]);

void move (int board[BOARD_HEIGHT][BOARD_WIDTH]);

void display_loop (struct t_board *board, int controllable);

void file_write (int board[BOARD_HEIGHT][BOARD_WIDTH]);

struct t_board file_read_or_create ();

int main (int c, char **v)
{
    struct t_board board = file_read_or_create ();
    int display = (c > 1) ? atoi (v[1]) : 0;
    int controllable = (c > 2) ? atoi (v[2]) : 0;
    if (display != 1)
    {
        move (board.grid);
    }
    else
    {
        display_loop (&board, controllable);
    }
    file_write (board.grid);
    return 0;
}

// +100 lines of function implementations...