1 #include "types.h" 2 liberte(play_board,i,j)3int liberte(play_board,i,j) 4 5 board play_board; 6 int i,j; 7 8 { 9 int a; 10 11 a =!play_board[i-1][j]+!play_board[i+1][j]; 12 a+=!play_board[i-1][j-1]+!play_board[i+1][j-1]; 13 a+=!play_board[i-1][j+1]+!play_board[i+1][j+1]; 14 a+=!play_board[i][j-1]+!play_board[i][j+1]; 15 16 return(a); 17 }; 18