Commit b554eff

@@ -13,7 +13,11 @@
 
 /*** data ***/
 
-struct termios orig_termios;
+struct editor_config {
+  struct termios orig_termios;
+};
+
+struct editor_config E;
 
 /*** terminal ***/
 
@@ -26,15 +30,15 @@ void die(const char *s) {
 }
 
 void disable_raw_mode() {
-  if (tcsetattr(STDIN_FILENO, TCSAFLUSH, &orig_termios) == -1)
+  if (tcsetattr(STDIN_FILENO, TCSAFLUSH, &E.orig_termios) == -1)
     die("tcsetattr");
 }
 
 void enable_raw_mode() {
-  if (tcgetattr(STDIN_FILENO, &orig_termios) == -1) die("tcgetattr");
+  if (tcgetattr(STDIN_FILENO, &E.orig_termios) == -1) die("tcgetattr");
   atexit(disable_raw_mode);
 
-  struct termios raw = orig_termios;
+  struct termios raw = E.orig_termios;
   raw.c_lflag &= ~(BRKINT | ICRNL | INPCK | ISTRIP | IXON);
   raw.c_lflag &= ~(OPOST);
   raw.c_lflag &= ~(CS8);