diff --git a/ap/libc/glibc/glibc-2.23/misc/getpass.c b/ap/libc/glibc/glibc-2.23/misc/getpass.c
new file mode 100644
index 0000000..7d34796
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/misc/getpass.c
@@ -0,0 +1,124 @@
+/* Copyright (C) 1992-2016 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <stdio.h>
+#include <stdio_ext.h>
+#include <string.h>		/* For string function builtin redirect.  */
+#include <termios.h>
+#include <unistd.h>
+
+#include <wchar.h>
+#define flockfile(s) _IO_flockfile (s)
+#define funlockfile(s) _IO_funlockfile (s)
+#include <libc-lock.h>
+
+/* It is desirable to use this bit on systems that have it.
+   The only bit of terminal state we want to twiddle is echoing, which is
+   done in software; there is no need to change the state of the terminal
+   hardware.  */
+
+#ifndef TCSASOFT
+#define TCSASOFT 0
+#endif
+
+static void
+call_fclose (void *arg)
+{
+  if (arg != NULL)
+    fclose (arg);
+}
+
+char *
+getpass (const char *prompt)
+{
+  FILE *in, *out;
+  struct termios s, t;
+  int tty_changed;
+  static char *buf;
+  static size_t bufsize;
+  ssize_t nread;
+
+  /* Try to write to and read from the terminal if we can.
+     If we can't open the terminal, use stderr and stdin.  */
+
+  in = fopen ("/dev/tty", "w+ce");
+  if (in == NULL)
+    {
+      in = stdin;
+      out = stderr;
+    }
+  else
+    {
+      /* We do the locking ourselves.  */
+      __fsetlocking (in, FSETLOCKING_BYCALLER);
+
+      out = in;
+    }
+
+  /* Make sure the stream we opened is closed even if the thread is
+     canceled.  */
+  __libc_cleanup_push (call_fclose, in == out ? in : NULL);
+
+  flockfile (out);
+
+  /* Turn echoing off if it is on now.  */
+
+  if (__tcgetattr (fileno (in), &t) == 0)
+    {
+      /* Save the old one. */
+      s = t;
+      /* Tricky, tricky. */
+      t.c_lflag &= ~(ECHO|ISIG);
+      tty_changed = (tcsetattr (fileno (in), TCSAFLUSH|TCSASOFT, &t) == 0);
+    }
+  else
+    tty_changed = 0;
+
+  /* Write the prompt.  */
+  __fxprintf (out, "%s", prompt);
+  __fflush_unlocked (out);
+
+  /* Read the password.  */
+  nread = __getline (&buf, &bufsize, in);
+  if (buf != NULL)
+    {
+      if (nread < 0)
+	buf[0] = '\0';
+      else if (buf[nread - 1] == '\n')
+	{
+	  /* Remove the newline.  */
+	  buf[nread - 1] = '\0';
+	  if (tty_changed)
+	    /* Write the newline that was not echoed.  */
+	    __fxprintf (out, "\n");
+	}
+    }
+
+  /* Restore the original setting.  */
+  if (tty_changed)
+    (void) tcsetattr (fileno (in), TCSAFLUSH|TCSASOFT, &s);
+
+  funlockfile (out);
+
+  __libc_cleanup_pop (0);
+
+  if (in != stdin)
+    /* We opened the terminal; now close it.  */
+    fclose (in);
+
+  return buf;
+}