diff --git a/mac.c b/mac.c
new file mode 100644
index 00000000..e694cec4
--- /dev/null
+++ b/mac.c
@@ -0,0 +1,52 @@
+/* $Id: mac.c,v 1.1.2.1 1999/02/19 21:35:12 ben Exp $ */
+/*
+ * mac.c -- miscellaneous Mac-specific routines
+ */
+
+#include <MacTypes.h>
+#include <Quickdraw.h>
+#include <Fonts.h>
+#include <MacWindows.h>
+#include <Menus.h>
+#include <TextEdit.h>
+#include <Dialogs.h>
+
+#include <stdlib.h>		/* putty.h needs size_t */
+#include <stdarg.h>
+
+#include "putty.h"
+
+QDGlobals qd;
+
+int cold = 1;
+
+int main (int argc, char **argv) {
+    /* Init QuickDraw */
+    InitGraf(&qd.thePort);
+    /* Init Font Manager */
+    InitFonts();
+    /* Init Window Manager */
+    InitWindows();
+    /* Init Menu Manager */
+    InitMenus();
+    /* Init TextEdit */
+    TEInit();
+    /* Init Dialog Manager */
+    InitDialogs(nil);
+    InitCursor();
+    cold = 0;
+    fatalbox("Init complete");
+}
+
+void fatalbox(const char *fmt, ...) {
+    va_list ap;
+    Str255 stuff;
+    
+    va_start(ap, fmt);
+    /* We'd like stuff to be a Pascal string */
+    stuff[0] = vsprintf((char *)(&stuff[1]), fmt, ap);
+    va_end(ap);
+    ParamText(stuff, NULL, NULL, NULL);
+    StopAlert(128, nil);
+    exit(1);
+}