move unmaintained files into outdated folder

If an old port is resurrected to work with current version code, its files
can be relocated to the appropriate sys or win folder as required.

In the meantime, the burden of upkeep can be avoided for the stuff in the
outdated folder for now.

outdated/sys/mac/mgetline.c

@@ -0,0 +1,78 @@
+/* NetHack 3.6	mgetline.c	$NHDT-Date: 1432512797 2015/05/25 00:13:17 $  $NHDT-Branch: master $:$NHDT-Revision: 1.10 $ */
+/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
+/*-Copyright (c) Kenneth Lorber, Kensington, Maryland, 2015. */
+/* NetHack may be freely redistributed.  See license for details. */
+
+#include "hack.h"
+#include "mactty.h"
+#include "macwin.h"
+#include "macpopup.h"
+#include "func_tab.h"
+
+extern int NDECL(extcmd_via_menu); /* cmd.c */
+
+typedef Boolean FDECL((*key_func), (unsigned char));
+
+int
+get_line_from_key_queue(char *bufp)
+{
+    *bufp = 0;
+    if (try_key_queue(bufp)) {
+        while (*bufp) {
+            if (*bufp == 10 || *bufp == 13) {
+                *bufp = 0;
+            }
+            bufp++;
+        }
+        return true;
+    }
+    return false;
+}
+
+static void
+topl_getlin(const char *query, char *bufp, Boolean ext)
+{
+    if (get_line_from_key_queue(bufp))
+        return;
+
+    enter_topl_mode((char *) query);
+    while (topl_key(nhgetch(), ext))
+        ;
+    leave_topl_mode(bufp);
+}
+
+/*
+ * Read a line closed with '\n' into the array char bufp[BUFSZ].
+ * (The '\n' is not stored. The string is closed with a '\0'.)
+ * Reading can be interrupted by an escape ('\033') - now the
+ * resulting string is "\033".
+ */
+void
+mac_getlin(const char *query, char *bufp)
+{
+    topl_getlin(query, bufp, false);
+}
+
+/* Read in an extended command - doing command line completion for
+ * when enough characters have been entered to make a unique command.
+ * This is just a modified getlin() followed by a lookup.   -jsb
+ */
+int
+mac_get_ext_cmd()
+{
+    char bufp[BUFSZ];
+    int i;
+
+    if (iflags.extmenu)
+        return extcmd_via_menu();
+    topl_getlin("# ", bufp, true);
+    for (i = 0; extcmdlist[i].ef_txt != (char *) 0; i++)
+        if (!strcmp(bufp, extcmdlist[i].ef_txt))
+            break;
+    if (extcmdlist[i].ef_txt == (char *) 0)
+        i = -1; /* not found */
+
+    return i;
+}
+
+/* macgetline.c */