Move restore specific functions into their own source file

include/restore.h

@@ -0,0 +1,55 @@
+/**
+ * Author......: Jens Steube <jens.steube@gmail.com>
+ * License.....: MIT
+ */
+
+#ifndef _RESTORE_H
+#define _RESTORE_H
+
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+
+#ifdef _POSIX
+#include <sys/types.h>
+#include <sys/stat.h>
+#endif // _POSIX
+
+#ifdef _WIN
+#include <windows.h>
+#endif // _WIN
+
+#define RESTORE         0
+#define RESTORE_TIMER   60
+#define RESTORE_DISABLE 0
+
+#define RESTORE_VERSION_MIN 320
+#define RESTORE_VERSION_CUR 320
+
+typedef struct
+{
+  int  version;
+  char cwd[256];
+  u32  pid;
+
+  u32  dictpos;
+  u32  maskpos;
+
+  u64  words_cur;
+
+  u32  argc;
+  char **argv;
+
+} restore_data_t;
+
+u64 get_lowest_words_done ();
+
+restore_data_t *init_restore (int argc, char **argv);
+
+void read_restore (const char *eff_restore_file, restore_data_t *rd);
+
+void write_restore (const char *new_restore_file, restore_data_t *rd);
+
+void cycle_restore ();
+
+#endif // _RESTORE_H