diff --git a/ap/libc/glibc/glibc-2.23/stdlib/bits/monetary-ldbl.h b/ap/libc/glibc/glibc-2.23/stdlib/bits/monetary-ldbl.h
new file mode 100644
index 0000000..3718d10
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/stdlib/bits/monetary-ldbl.h
@@ -0,0 +1,27 @@
+/* -mlong-double-64 compatibility mode for monetary functions.
+   Copyright (C) 2006-2016 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/>.  */
+
+#ifndef _MONETARY_H
+# error "Never include <bits/monetary-ldbl.h> directly; use <monetary.h> instead."
+#endif
+
+__LDBL_REDIR_DECL (strfmon)
+
+#ifdef __USE_GNU
+__LDBL_REDIR_DECL (strfmon_l)
+#endif
diff --git a/ap/libc/glibc/glibc-2.23/stdlib/bits/stdlib-float.h b/ap/libc/glibc/glibc-2.23/stdlib/bits/stdlib-float.h
new file mode 100644
index 0000000..c3bbd04
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/stdlib/bits/stdlib-float.h
@@ -0,0 +1,31 @@
+/* Floating-point inline functions for stdlib.h.
+   Copyright (C) 2012-2016 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/>.  */
+
+#ifndef _STDLIB_H
+# error "Never use <bits/stdlib-float.h> directly; include <stdlib.h> instead."
+#endif
+
+#ifdef __USE_EXTERN_INLINES
+__BEGIN_NAMESPACE_STD
+__extern_inline double
+__NTH (atof (const char *__nptr))
+{
+  return strtod (__nptr, (char **) NULL);
+}
+__END_NAMESPACE_STD
+#endif /* Optimizing and Inlining.  */
diff --git a/ap/libc/glibc/glibc-2.23/stdlib/bits/stdlib-ldbl.h b/ap/libc/glibc/glibc-2.23/stdlib/bits/stdlib-ldbl.h
new file mode 100644
index 0000000..acff499
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/stdlib/bits/stdlib-ldbl.h
@@ -0,0 +1,39 @@
+/* -mlong-double-64 compatibility mode for <stdlib.h> functions.
+   Copyright (C) 2006-2016 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/>.  */
+
+#ifndef _STDLIB_H
+# error "Never include <bits/stdlib-ldbl.h> directly; use <stdlib.h> instead."
+#endif
+
+#ifdef	__USE_ISOC99
+__BEGIN_NAMESPACE_C99
+__LDBL_REDIR1_DECL (strtold, strtod)
+__END_NAMESPACE_C99
+#endif
+
+#ifdef __USE_GNU
+__LDBL_REDIR1_DECL (strtold_l, strtod_l)
+#endif
+
+#ifdef __USE_MISC
+__LDBL_REDIR1_DECL (qecvt, ecvt)
+__LDBL_REDIR1_DECL (qfcvt, fcvt)
+__LDBL_REDIR1_DECL (qgcvt, gcvt)
+__LDBL_REDIR1_DECL (qecvt_r, ecvt_r)
+__LDBL_REDIR1_DECL (qfcvt_r, fcvt_r)
+#endif
diff --git a/ap/libc/glibc/glibc-2.23/stdlib/bits/stdlib.h b/ap/libc/glibc/glibc-2.23/stdlib/bits/stdlib.h
new file mode 100644
index 0000000..20fe986
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/stdlib/bits/stdlib.h
@@ -0,0 +1,155 @@
+/* Checking macros for stdlib functions.
+   Copyright (C) 2005-2016 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/>.  */
+
+#ifndef _STDLIB_H
+# error "Never include <bits/stdlib.h> directly; use <stdlib.h> instead."
+#endif
+
+extern char *__realpath_chk (const char *__restrict __name,
+			     char *__restrict __resolved,
+			     size_t __resolvedlen) __THROW __wur;
+extern char *__REDIRECT_NTH (__realpath_alias,
+			     (const char *__restrict __name,
+			      char *__restrict __resolved), realpath) __wur;
+extern char *__REDIRECT_NTH (__realpath_chk_warn,
+			     (const char *__restrict __name,
+			      char *__restrict __resolved,
+			      size_t __resolvedlen), __realpath_chk) __wur
+     __warnattr ("second argument of realpath must be either NULL or at "
+		 "least PATH_MAX bytes long buffer");
+
+__fortify_function __wur char *
+__NTH (realpath (const char *__restrict __name, char *__restrict __resolved))
+{
+  if (__bos (__resolved) != (size_t) -1)
+    {
+#if defined _LIBC_LIMITS_H_ && defined PATH_MAX
+      if (__bos (__resolved) < PATH_MAX)
+	return __realpath_chk_warn (__name, __resolved, __bos (__resolved));
+#endif
+      return __realpath_chk (__name, __resolved, __bos (__resolved));
+    }
+
+  return __realpath_alias (__name, __resolved);
+}
+
+
+extern int __ptsname_r_chk (int __fd, char *__buf, size_t __buflen,
+			    size_t __nreal) __THROW __nonnull ((2));
+extern int __REDIRECT_NTH (__ptsname_r_alias, (int __fd, char *__buf,
+					       size_t __buflen), ptsname_r)
+     __nonnull ((2));
+extern int __REDIRECT_NTH (__ptsname_r_chk_warn,
+			   (int __fd, char *__buf, size_t __buflen,
+			    size_t __nreal), __ptsname_r_chk)
+     __nonnull ((2)) __warnattr ("ptsname_r called with buflen bigger than "
+				 "size of buf");
+
+__fortify_function int
+__NTH (ptsname_r (int __fd, char *__buf, size_t __buflen))
+{
+  if (__bos (__buf) != (size_t) -1)
+    {
+      if (!__builtin_constant_p (__buflen))
+	return __ptsname_r_chk (__fd, __buf, __buflen, __bos (__buf));
+      if (__buflen > __bos (__buf))
+	return __ptsname_r_chk_warn (__fd, __buf, __buflen, __bos (__buf));
+    }
+  return __ptsname_r_alias (__fd, __buf, __buflen);
+}
+
+
+extern int __wctomb_chk (char *__s, wchar_t __wchar, size_t __buflen)
+  __THROW __wur;
+extern int __REDIRECT_NTH (__wctomb_alias, (char *__s, wchar_t __wchar),
+			   wctomb) __wur;
+
+__fortify_function __wur int
+__NTH (wctomb (char *__s, wchar_t __wchar))
+{
+  /* We would have to include <limits.h> to get a definition of MB_LEN_MAX.
+     But this would only disturb the namespace.  So we define our own
+     version here.  */
+#define __STDLIB_MB_LEN_MAX	16
+#if defined MB_LEN_MAX && MB_LEN_MAX != __STDLIB_MB_LEN_MAX
+# error "Assumed value of MB_LEN_MAX wrong"
+#endif
+  if (__bos (__s) != (size_t) -1 && __STDLIB_MB_LEN_MAX > __bos (__s))
+    return __wctomb_chk (__s, __wchar, __bos (__s));
+  return __wctomb_alias (__s, __wchar);
+}
+
+
+extern size_t __mbstowcs_chk (wchar_t *__restrict __dst,
+			      const char *__restrict __src,
+			      size_t __len, size_t __dstlen) __THROW;
+extern size_t __REDIRECT_NTH (__mbstowcs_alias,
+			      (wchar_t *__restrict __dst,
+			       const char *__restrict __src,
+			       size_t __len), mbstowcs);
+extern size_t __REDIRECT_NTH (__mbstowcs_chk_warn,
+			      (wchar_t *__restrict __dst,
+			       const char *__restrict __src,
+			       size_t __len, size_t __dstlen), __mbstowcs_chk)
+     __warnattr ("mbstowcs called with dst buffer smaller than len "
+		 "* sizeof (wchar_t)");
+
+__fortify_function size_t
+__NTH (mbstowcs (wchar_t *__restrict __dst, const char *__restrict __src,
+		 size_t __len))
+{
+  if (__bos (__dst) != (size_t) -1)
+    {
+      if (!__builtin_constant_p (__len))
+	return __mbstowcs_chk (__dst, __src, __len,
+			       __bos (__dst) / sizeof (wchar_t));
+
+      if (__len > __bos (__dst) / sizeof (wchar_t))
+	return __mbstowcs_chk_warn (__dst, __src, __len,
+				     __bos (__dst) / sizeof (wchar_t));
+    }
+  return __mbstowcs_alias (__dst, __src, __len);
+}
+
+
+extern size_t __wcstombs_chk (char *__restrict __dst,
+			      const wchar_t *__restrict __src,
+			      size_t __len, size_t __dstlen) __THROW;
+extern size_t __REDIRECT_NTH (__wcstombs_alias,
+			      (char *__restrict __dst,
+			       const wchar_t *__restrict __src,
+			       size_t __len), wcstombs);
+extern size_t __REDIRECT_NTH (__wcstombs_chk_warn,
+			      (char *__restrict __dst,
+			       const wchar_t *__restrict __src,
+			       size_t __len, size_t __dstlen), __wcstombs_chk)
+     __warnattr ("wcstombs called with dst buffer smaller than len");
+
+__fortify_function size_t
+__NTH (wcstombs (char *__restrict __dst, const wchar_t *__restrict __src,
+		 size_t __len))
+{
+  if (__bos (__dst) != (size_t) -1)
+    {
+      if (!__builtin_constant_p (__len))
+	return __wcstombs_chk (__dst, __src, __len, __bos (__dst));
+      if (__len > __bos (__dst))
+	return __wcstombs_chk_warn (__dst, __src, __len, __bos (__dst));
+    }
+  return __wcstombs_alias (__dst, __src, __len);
+}