Broke some functions into smaller pieces, added the initial keyboard interface.

lib/game.c

@@ -188,36 +188,31 @@ void deal_cards(struct deck *deck) {
   return;
 }
 
-void initialize_game() {
-  struct deck *deck = NULL;
-  int pressed_key;
-
+void greet_player() {
   mvprintw(11, 27, "Welcome to tty-solitaire.");
   mvprintw(12, 19, "Press the space bar to play or q to quit.");
-  while (1) {
-    switch (pressed_key = getch()) {
-      case KEY_SPACEBAR:
-        clear();
-        refresh();
-        assume_default_colors(COLOR_WHITE, COLOR_GREEN);
+
+  return;
+}
+
+void prepare_game(struct deck **deck) {
   draw_empty_stacks();
-        allocate_deck(&deck);
-        initialize_deck(deck);
-        set_stacks_coordinates(deck);
-        fill_deck(deck);
-        shuffle_deck(deck);
-        deal_cards(deck);
+  allocate_deck(deck);
+  initialize_deck(*deck);
+  set_stacks_coordinates(*deck);
+  fill_deck(*deck);
+  shuffle_deck(*deck);
+  deal_cards(*deck);
+
+  return;
+}
+
+void initialize_game() {
+  struct deck *deck = NULL;
+
+  clear_screen();
+  prepare_game(&deck);
   draw_game(deck);
-        getchar();
-        end_curses();
-        end_game(deck);
-        return;
-      case 'q':
-      case 'Q':
-        end_curses();
-        return;
-    }
-  }
 
   return;
 }

lib/game.h

@@ -3,8 +3,6 @@
 
 #include "deck.h"
 
-#define KEY_SPACEBAR ' '
-
 #define NUMBER_OF_CARDS 52
 
 #define STOCK_STARTING_X        1
@@ -38,7 +36,9 @@ void set_stacks_coordinates(struct deck *);
 void fill_deck(struct deck *);
 void shuffle_deck(struct deck *);
 void deal_cards(struct deck *);
+void greet_player();
 void initialize_game();
+void prepare_game(struct deck **);
 void end_game();
 
 #endif

lib/keyboard.c

@@ -0,0 +1,10 @@
+#include <stdio.h>
+#include "keyboard.h"
+
+int key_event() {
+  int pressed_key;
+
+  pressed_key = getchar();
+
+  return(pressed_key);
+}

lib/keyboard.h

@@ -0,0 +1,8 @@
+#ifndef KEYBOARD_H
+#define KEYBOARD_H
+
+#define KEY_SPACEBAR ' '
+
+int key_event();
+
+#endif

lib/util.c

@@ -9,6 +9,7 @@ void initialize_curses() {
   keypad(stdscr, TRUE);     /* enable F and arrow keys                */
   start_color();            /* I want colors                          */
   curs_set(FALSE);          /* invisible cursor                       */
+  assume_default_colors(COLOR_WHITE, COLOR_GREEN);
 
   init_pair(1, COLOR_BLACK, COLOR_WHITE);
   init_pair(2, COLOR_RED, COLOR_WHITE);
@@ -23,3 +24,10 @@ void end_curses() {
 
   return;
 }
+
+void clear_screen() {
+  clear();
+  refresh();
+
+  return;
+}

lib/util.h

@@ -3,5 +3,6 @@
 
 void initialize_curses();
 void end_curses();
+void clear_screen();
 
 #endif

src/tty-solitaire.c

@@ -1,10 +1,30 @@
+#include <stdlib.h>
 #include "../lib/util.h"
 #include "../lib/game.h"
+#include "../lib/keyboard.h"
 
 int main(int argc, const char *argv[]) {
+  int option;
+
   initialize_curses();
 
+  greet_player();
+
+  while (1) {
+    switch (option = getch()) {
+      case KEY_SPACEBAR:
         initialize_game();
+        break;
+      case 'q':
+      case 'Q':
+        end_curses();
+        exit(0);
+    }
+  }
+
+  while (1) {
+    key_event();
+  }
 
   return(0);
 }