Moved curses initialization related stuff to display.c.

lib/display.c

@@ -1,9 +1,18 @@
 #include <ncurses.h>
 #include <malloc.h>
 #include <string.h>
+#include <locale.h>
 #include "card.h"
 #include "display.h"
 
+void init_curses() {
+  setlocale(LC_ALL, "");    /* supporting unicode characters          */
+  initscr();                /* initialize the terminal in curses mode */
+  raw();                    /* disable line buffers                   */
+  noecho();                 /* character echo is unnecessary          */
+  keypad(stdscr, TRUE);     /* enable F and arrow keys                */
+}
+
 char *card_suit(enum suit suit) {
   char *card_suit;
 

src/tty-solitaire.c

@@ -1,7 +1,6 @@
 #include <ncurses.h>
 #include <malloc.h>
 #include <string.h>
-#include <locale.h>
 #include "common.h"
 #include "../lib/card.h"
 
@@ -9,11 +8,7 @@ int main(int argc, const char *argv[]) {
   char message[] = "Welcome to tty-solitaire.";
   int row_number, column_number;
 
-  setlocale(LC_ALL, "");    /* supporting unicode characters */
-  initscr();                /* initialize the terminal in curses mode */
-  raw();                    /* disable line buffers                   */
-  noecho();                 /* character echo is unnecessary          */
-  keypad(stdscr, TRUE);     /* enable F and arrow keys                */
+  init_curses();
 
   getmaxyx(stdscr, row_number, column_number);
   mvprintw(row_number / 2 - 1,