select player + roundcount helper done

src/chess.c

@@ -1,5 +1,31 @@
 #include "chess.h"
+#include "util.h"
 
 bool init_board(board_t *board) {
     
-}
+}
+
+void select_player(player_e *player, unsigned int round_count) {
+    if (round_count == 1) {
+        *player = WHITE;
+        return;
+    } 
+    
+    if (*player == WHITE) {
+        *player = BLACK;
+        return;
+    }
+
+    if (*player == BLACK) {
+        *player = WHITE;
+        return;
+    }
+}
+
+bool get_move(move_t *move);
+
+bool perform_move(player_e player, move_t move);
+
+end_condition_e check_edge_cases(board_t board);
+
+void announce_results(player_e player);

src/chess.h

@@ -67,4 +67,21 @@ typedef enum {
 // initializes the board with the default configuration of pieces
 bool init_board(board_t *board);
 
+// selects the player to currently play
+// if it is the first round, it selects white
+void select_player(player_e *player, unsigned int round_count);
+        
+// listens for a command to make a move by the currently playing player
+bool get_move(move_t *move);
+
+// performs the move if is it possible
+bool perform_move(player_e player, move_t move);
+
+// checks for captures, prommotions and mates
+end_condition_e check_edge_cases(board_t board);
+
+// if there is one of the mates, end the game and show who has won
+void announce_results(player_e player);
+
+
 #endif // CHESS_H

src/main.c

@@ -20,6 +20,7 @@ int main() {
     board_t board;
     move_t move;
     player_e player;
+    unsigned int round_count = 0;
     end_condition_e end_condition;
     bool running = true;
     
@@ -28,8 +29,9 @@ int main() {
     init_board(&board);
 
     while (running) {
+        round_count++;
         
-        select_player(&player);
+        select_player(&player, round_count);
         
         get_move(&move);