diff --git a/ap/libc/glibc/glibc-2.23/stdio-common/printf-parsemb.c b/ap/libc/glibc/glibc-2.23/stdio-common/printf-parsemb.c
new file mode 100644
index 0000000..66cef10
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/stdio-common/printf-parsemb.c
@@ -0,0 +1,407 @@
+/* Helper functions for parsing printf format strings.
+   Copyright (C) 1995-2016 Free Software Foundation, Inc.
+   This file is part of th 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 <ctype.h>
+#include <limits.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/param.h>
+#include <wchar.h>
+#include <wctype.h>
+
+#ifndef COMPILE_WPRINTF
+# define CHAR_T		char
+# define UCHAR_T	unsigned char
+# define INT_T		int
+# define L_(Str)	Str
+# define ISDIGIT(Ch)	isdigit (Ch)
+# define HANDLE_REGISTERED_MODIFIER __handle_registered_modifier_mb
+#else
+# define CHAR_T		wchar_t
+# define UCHAR_T	unsigned int
+# define INT_T		wint_t
+# define L_(Str)	L##Str
+# define ISDIGIT(Ch)	iswdigit (Ch)
+# define HANDLE_REGISTERED_MODIFIER __handle_registered_modifier_wc
+#endif
+
+#include "printf-parse.h"
+
+#define NDEBUG 1
+#include <assert.h>
+
+
+
+/* FORMAT must point to a '%' at the beginning of a spec.  Fills in *SPEC
+   with the parsed details.  POSN is the number of arguments already
+   consumed.  At most MAXTYPES - POSN types are filled in TYPES.  Return
+   the number of args consumed by this spec; *MAX_REF_ARG is updated so it
+   remains the highest argument index used.  */
+size_t
+attribute_hidden
+#ifdef COMPILE_WPRINTF
+__parse_one_specwc (const UCHAR_T *format, size_t posn,
+		    struct printf_spec *spec, size_t *max_ref_arg)
+#else
+__parse_one_specmb (const UCHAR_T *format, size_t posn,
+		    struct printf_spec *spec, size_t *max_ref_arg)
+#endif
+{
+  unsigned int n;
+  size_t nargs = 0;
+
+  /* Skip the '%'.  */
+  ++format;
+
+  /* Clear information structure.  */
+  spec->data_arg = -1;
+  spec->info.alt = 0;
+  spec->info.space = 0;
+  spec->info.left = 0;
+  spec->info.showsign = 0;
+  spec->info.group = 0;
+  spec->info.i18n = 0;
+  spec->info.extra = 0;
+  spec->info.pad = ' ';
+  spec->info.wide = sizeof (UCHAR_T) > 1;
+
+  /* Test for positional argument.  */
+  if (ISDIGIT (*format))
+    {
+      const UCHAR_T *begin = format;
+
+      n = read_int (&format);
+
+      if (n != 0 && *format == L_('$'))
+	/* Is positional parameter.  */
+	{
+	  ++format;		/* Skip the '$'.  */
+	  if (n != -1)
+	    {
+	      spec->data_arg = n - 1;
+	      *max_ref_arg = MAX (*max_ref_arg, n);
+	    }
+	}
+      else
+	/* Oops; that was actually the width and/or 0 padding flag.
+	   Step back and read it again.  */
+	format = begin;
+    }
+
+  /* Check for spec modifiers.  */
+  do
+    {
+      switch (*format)
+	{
+	case L_(' '):
+	  /* Output a space in place of a sign, when there is no sign.  */
+	  spec->info.space = 1;
+	  continue;
+	case L_('+'):
+	  /* Always output + or - for numbers.  */
+	  spec->info.showsign = 1;
+	  continue;
+	case L_('-'):
+	  /* Left-justify things.  */
+	  spec->info.left = 1;
+	  continue;
+	case L_('#'):
+	  /* Use the "alternate form":
+	     Hex has 0x or 0X, FP always has a decimal point.  */
+	  spec->info.alt = 1;
+	  continue;
+	case L_('0'):
+	  /* Pad with 0s.  */
+	  spec->info.pad = '0';
+	  continue;
+	case L_('\''):
+	  /* Show grouping in numbers if the locale information
+	     indicates any.  */
+	  spec->info.group = 1;
+	  continue;
+	case L_('I'):
+	  /* Use the internationalized form of the output.  Currently
+	     means to use the `outdigits' of the current locale.  */
+	  spec->info.i18n = 1;
+	  continue;
+	default:
+	  break;
+	}
+      break;
+    }
+  while (*++format);
+
+  if (spec->info.left)
+    spec->info.pad = ' ';
+
+  /* Get the field width.  */
+  spec->width_arg = -1;
+  spec->info.width = 0;
+  if (*format == L_('*'))
+    {
+      /* The field width is given in an argument.
+	 A negative field width indicates left justification.  */
+      const UCHAR_T *begin = ++format;
+
+      if (ISDIGIT (*format))
+	{
+	  /* The width argument might be found in a positional parameter.  */
+	  n = read_int (&format);
+
+	  if (n != 0 && *format == L_('$'))
+	    {
+	      if (n != -1)
+		{
+		  spec->width_arg = n - 1;
+		  *max_ref_arg = MAX (*max_ref_arg, n);
+		}
+	      ++format;		/* Skip '$'.  */
+	    }
+	}
+
+      if (spec->width_arg < 0)
+	{
+	  /* Not in a positional parameter.  Consume one argument.  */
+	  spec->width_arg = posn++;
+	  ++nargs;
+	  format = begin;	/* Step back and reread.  */
+	}
+    }
+  else if (ISDIGIT (*format))
+    {
+      int n = read_int (&format);
+
+      /* Constant width specification.  */
+      if (n != -1)
+	spec->info.width = n;
+    }
+  /* Get the precision.  */
+  spec->prec_arg = -1;
+  /* -1 means none given; 0 means explicit 0.  */
+  spec->info.prec = -1;
+  if (*format == L_('.'))
+    {
+      ++format;
+      if (*format == L_('*'))
+	{
+	  /* The precision is given in an argument.  */
+	  const UCHAR_T *begin = ++format;
+
+	  if (ISDIGIT (*format))
+	    {
+	      n = read_int (&format);
+
+	      if (n != 0 && *format == L_('$'))
+		{
+		  if (n != -1)
+		    {
+		      spec->prec_arg = n - 1;
+		      *max_ref_arg = MAX (*max_ref_arg, n);
+		    }
+		  ++format;
+		}
+	    }
+
+	  if (spec->prec_arg < 0)
+	    {
+	      /* Not in a positional parameter.  */
+	      spec->prec_arg = posn++;
+	      ++nargs;
+	      format = begin;
+	    }
+	}
+      else if (ISDIGIT (*format))
+	{
+	  int n = read_int (&format);
+
+	  if (n != -1)
+	    spec->info.prec = n;
+	}
+      else
+	/* "%.?" is treated like "%.0?".  */
+	spec->info.prec = 0;
+    }
+
+  /* Check for type modifiers.  */
+  spec->info.is_long_double = 0;
+  spec->info.is_short = 0;
+  spec->info.is_long = 0;
+  spec->info.is_char = 0;
+  spec->info.user = 0;
+
+  if (__builtin_expect (__printf_modifier_table == NULL, 1)
+      || __printf_modifier_table[*format] == NULL
+      || HANDLE_REGISTERED_MODIFIER (&format, &spec->info) != 0)
+    switch (*format++)
+      {
+      case L_('h'):
+	/* ints are short ints or chars.  */
+	if (*format != L_('h'))
+	  spec->info.is_short = 1;
+	else
+	  {
+	    ++format;
+	    spec->info.is_char = 1;
+	  }
+	break;
+      case L_('l'):
+	/* ints are long ints.  */
+	spec->info.is_long = 1;
+	if (*format != L_('l'))
+	  break;
+	++format;
+	/* FALLTHROUGH */
+      case L_('L'):
+	/* doubles are long doubles, and ints are long long ints.  */
+      case L_('q'):
+	/* 4.4 uses this for long long.  */
+	spec->info.is_long_double = 1;
+	break;
+      case L_('z'):
+      case L_('Z'):
+	/* ints are size_ts.  */
+	assert (sizeof (size_t) <= sizeof (unsigned long long int));
+#if LONG_MAX != LONG_LONG_MAX
+	spec->info.is_long_double = (sizeof (size_t)
+				     > sizeof (unsigned long int));
+#endif
+	spec->info.is_long = sizeof (size_t) > sizeof (unsigned int);
+	break;
+      case L_('t'):
+	assert (sizeof (ptrdiff_t) <= sizeof (long long int));
+#if LONG_MAX != LONG_LONG_MAX
+	spec->info.is_long_double = (sizeof (ptrdiff_t) > sizeof (long int));
+#endif
+	spec->info.is_long = sizeof (ptrdiff_t) > sizeof (int);
+	break;
+      case L_('j'):
+	assert (sizeof (uintmax_t) <= sizeof (unsigned long long int));
+#if LONG_MAX != LONG_LONG_MAX
+	spec->info.is_long_double = (sizeof (uintmax_t)
+				     > sizeof (unsigned long int));
+#endif
+	spec->info.is_long = sizeof (uintmax_t) > sizeof (unsigned int);
+	break;
+      default:
+	/* Not a recognized modifier.  Backup.  */
+	--format;
+	break;
+      }
+
+  /* Get the format specification.  */
+  spec->info.spec = (wchar_t) *format++;
+  spec->size = -1;
+  if (__builtin_expect (__printf_function_table == NULL, 1)
+      || spec->info.spec > UCHAR_MAX
+      || __printf_arginfo_table[spec->info.spec] == NULL
+      /* We don't try to get the types for all arguments if the format
+	 uses more than one.  The normal case is covered though.  If
+	 the call returns -1 we continue with the normal specifiers.  */
+      || (int) (spec->ndata_args = (*__printf_arginfo_table[spec->info.spec])
+				   (&spec->info, 1, &spec->data_arg_type,
+				    &spec->size)) < 0)
+    {
+      /* Find the data argument types of a built-in spec.  */
+      spec->ndata_args = 1;
+
+      switch (spec->info.spec)
+	{
+	case L'i':
+	case L'd':
+	case L'u':
+	case L'o':
+	case L'X':
+	case L'x':
+#if LONG_MAX != LONG_LONG_MAX
+	  if (spec->info.is_long_double)
+	    spec->data_arg_type = PA_INT|PA_FLAG_LONG_LONG;
+	  else
+#endif
+	    if (spec->info.is_long)
+	      spec->data_arg_type = PA_INT|PA_FLAG_LONG;
+	    else if (spec->info.is_short)
+	      spec->data_arg_type = PA_INT|PA_FLAG_SHORT;
+	    else if (spec->info.is_char)
+	      spec->data_arg_type = PA_CHAR;
+	    else
+	      spec->data_arg_type = PA_INT;
+	  break;
+	case L'e':
+	case L'E':
+	case L'f':
+	case L'F':
+	case L'g':
+	case L'G':
+	case L'a':
+	case L'A':
+	  if (spec->info.is_long_double)
+	    spec->data_arg_type = PA_DOUBLE|PA_FLAG_LONG_DOUBLE;
+	  else
+	    spec->data_arg_type = PA_DOUBLE;
+	  break;
+	case L'c':
+	  spec->data_arg_type = PA_CHAR;
+	  break;
+	case L'C':
+	  spec->data_arg_type = PA_WCHAR;
+	  break;
+	case L's':
+	  spec->data_arg_type = PA_STRING;
+	  break;
+	case L'S':
+	  spec->data_arg_type = PA_WSTRING;
+	  break;
+	case L'p':
+	  spec->data_arg_type = PA_POINTER;
+	  break;
+	case L'n':
+	  spec->data_arg_type = PA_INT|PA_FLAG_PTR;
+	  break;
+
+	case L'm':
+	default:
+	  /* An unknown spec will consume no args.  */
+	  spec->ndata_args = 0;
+	  break;
+	}
+    }
+
+  if (spec->data_arg == -1 && spec->ndata_args > 0)
+    {
+      /* There are args consumed, but no positional spec.  Use the
+	 next sequential arg position.  */
+      spec->data_arg = posn;
+      nargs += spec->ndata_args;
+    }
+
+  if (spec->info.spec == L'\0')
+    /* Format ended before this spec was complete.  */
+    spec->end_of_fmt = spec->next_fmt = format - 1;
+  else
+    {
+      /* Find the next format spec.  */
+      spec->end_of_fmt = format;
+#ifdef COMPILE_WPRINTF
+      spec->next_fmt = __find_specwc (format);
+#else
+      spec->next_fmt = __find_specmb (format);
+#endif
+    }
+
+  return nargs;
+}