diff --git a/ap/libc/glibc/glibc-2.23/include/stdlib.h b/ap/libc/glibc/glibc-2.23/include/stdlib.h
new file mode 100644
index 0000000..352339e
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/include/stdlib.h
@@ -0,0 +1,274 @@
+#ifndef _STDLIB_H
+
+#ifdef __need_malloc_and_calloc
+#define __Need_M_And_C
+#endif
+
+#ifndef _ISOMAC
+# include <stddef.h>
+#endif
+#include <stdlib/stdlib.h>
+
+/* Now define the internal interfaces.  */
+#if !defined __Need_M_And_C && !defined _ISOMAC
+# include <sys/stat.h>
+
+__BEGIN_DECLS
+
+extern __typeof (strtol_l) __strtol_l;
+extern __typeof (strtoul_l) __strtoul_l;
+extern __typeof (strtoll_l) __strtoll_l;
+extern __typeof (strtoull_l) __strtoull_l;
+extern __typeof (strtod_l) __strtod_l;
+extern __typeof (strtof_l) __strtof_l;
+extern __typeof (strtold_l) __strtold_l;
+libc_hidden_proto (__strtol_l)
+libc_hidden_proto (__strtoul_l)
+libc_hidden_proto (__strtoll_l)
+libc_hidden_proto (__strtoull_l)
+libc_hidden_proto (__strtod_l)
+libc_hidden_proto (__strtof_l)
+libc_hidden_proto (__strtold_l)
+
+libc_hidden_proto (exit)
+libc_hidden_proto (abort)
+libc_hidden_proto (getenv)
+extern __typeof (secure_getenv) __libc_secure_getenv;
+libc_hidden_proto (__libc_secure_getenv)
+libc_hidden_proto (bsearch)
+libc_hidden_proto (qsort)
+extern __typeof (qsort_r) __qsort_r;
+libc_hidden_proto (__qsort_r)
+libc_hidden_proto (lrand48_r)
+libc_hidden_proto (wctomb)
+
+extern long int __random (void);
+extern void __srandom (unsigned int __seed);
+extern char *__initstate (unsigned int __seed, char *__statebuf,
+			  size_t __statelen);
+extern char *__setstate (char *__statebuf);
+extern int __random_r (struct random_data *__buf, int32_t *__result);
+extern int __srandom_r (unsigned int __seed, struct random_data *__buf);
+extern int __initstate_r (unsigned int __seed, char *__statebuf,
+			  size_t __statelen, struct random_data *__buf);
+extern int __setstate_r (char *__statebuf, struct random_data *__buf);
+extern int __rand_r (unsigned int *__seed);
+extern int __erand48_r (unsigned short int __xsubi[3],
+			struct drand48_data *__buffer, double *__result);
+extern int __nrand48_r (unsigned short int __xsubi[3],
+			struct drand48_data *__buffer,
+			long int *__result);
+extern int __jrand48_r (unsigned short int __xsubi[3],
+			struct drand48_data *__buffer,
+			long int *__result);
+extern int __srand48_r (long int __seedval,
+			struct drand48_data *__buffer);
+extern int __seed48_r (unsigned short int __seed16v[3],
+		       struct drand48_data *__buffer);
+extern int __lcong48_r (unsigned short int __param[7],
+			struct drand48_data *__buffer);
+
+/* Internal function to compute next state of the generator.  */
+extern int __drand48_iterate (unsigned short int __xsubi[3],
+			      struct drand48_data *__buffer);
+
+/* Global state for non-reentrant functions.  Defined in drand48-iter.c.  */
+extern struct drand48_data __libc_drand48_data attribute_hidden;
+
+extern int __setenv (const char *__name, const char *__value, int __replace);
+extern int __unsetenv (const char *__name);
+extern int __clearenv (void);
+extern char *__mktemp (char *__template) __THROW __nonnull ((1));
+extern char *__canonicalize_file_name (const char *__name);
+extern char *__realpath (const char *__name, char *__resolved);
+extern int __ptsname_r (int __fd, char *__buf, size_t __buflen);
+# ifndef _ISOMAC
+extern int __ptsname_internal (int fd, char *buf, size_t buflen,
+			       struct stat64 *stp);
+# endif
+extern int __getpt (void);
+extern int __posix_openpt (int __oflag);
+
+extern int __add_to_environ (const char *name, const char *value,
+			     const char *combines, int replace);
+
+extern void _quicksort (void *const pbase, size_t total_elems,
+			size_t size, __compar_d_fn_t cmp, void *arg);
+
+extern int __on_exit (void (*__func) (int __status, void *__arg), void *__arg);
+
+extern int __cxa_atexit (void (*func) (void *), void *arg, void *d);
+libc_hidden_proto (__cxa_atexit);
+
+extern int __cxa_thread_atexit_impl (void (*func) (void *), void *arg,
+				     void *d);
+extern void __call_tls_dtors (void)
+#ifndef SHARED
+  __attribute__ ((weak))
+#endif
+  ;
+libc_hidden_proto (__call_tls_dtors)
+
+extern void __cxa_finalize (void *d);
+
+extern int __posix_memalign (void **memptr, size_t alignment, size_t size);
+
+extern void *__libc_memalign (size_t alignment, size_t size)
+     __attribute_malloc__;
+
+extern int __libc_system (const char *line);
+
+
+extern double __strtod_internal (const char *__restrict __nptr,
+				 char **__restrict __endptr, int __group)
+     __THROW __nonnull ((1)) __wur;
+extern float __strtof_internal (const char *__restrict __nptr,
+				char **__restrict __endptr, int __group)
+     __THROW __nonnull ((1)) __wur;
+extern long double __strtold_internal (const char *__restrict __nptr,
+				       char **__restrict __endptr,
+				       int __group)
+     __THROW __nonnull ((1)) __wur;
+extern long int __strtol_internal (const char *__restrict __nptr,
+				   char **__restrict __endptr,
+				   int __base, int __group)
+     __THROW __nonnull ((1)) __wur;
+extern unsigned long int __strtoul_internal (const char *__restrict __nptr,
+					     char **__restrict __endptr,
+					     int __base, int __group)
+     __THROW __nonnull ((1)) __wur;
+__extension__
+extern long long int __strtoll_internal (const char *__restrict __nptr,
+					 char **__restrict __endptr,
+					 int __base, int __group)
+     __THROW __nonnull ((1)) __wur;
+__extension__
+extern unsigned long long int __strtoull_internal (const char *
+						   __restrict __nptr,
+						   char **__restrict __endptr,
+						   int __base, int __group)
+     __THROW __nonnull ((1)) __wur;
+libc_hidden_proto (__strtof_internal)
+libc_hidden_proto (__strtod_internal)
+libc_hidden_proto (__strtold_internal)
+libc_hidden_proto (__strtol_internal)
+libc_hidden_proto (__strtoll_internal)
+libc_hidden_proto (__strtoul_internal)
+libc_hidden_proto (__strtoull_internal)
+
+extern double ____strtod_l_internal (const char *__restrict __nptr,
+				     char **__restrict __endptr, int __group,
+				     __locale_t __loc);
+extern float ____strtof_l_internal (const char *__restrict __nptr,
+				    char **__restrict __endptr, int __group,
+				    __locale_t __loc);
+extern long double ____strtold_l_internal (const char *__restrict __nptr,
+					   char **__restrict __endptr,
+					   int __group, __locale_t __loc);
+extern long int ____strtol_l_internal (const char *__restrict __nptr,
+				       char **__restrict __endptr,
+				       int __base, int __group,
+				       __locale_t __loc);
+extern unsigned long int ____strtoul_l_internal (const char *
+						 __restrict __nptr,
+						 char **__restrict __endptr,
+						 int __base, int __group,
+						 __locale_t __loc);
+__extension__
+extern long long int ____strtoll_l_internal (const char *__restrict __nptr,
+					     char **__restrict __endptr,
+					     int __base, int __group,
+					     __locale_t __loc);
+__extension__
+extern unsigned long long int ____strtoull_l_internal (const char *
+						       __restrict __nptr,
+						       char **
+						       __restrict __endptr,
+						       int __base, int __group,
+						       __locale_t __loc);
+
+libc_hidden_proto (____strtof_l_internal)
+libc_hidden_proto (____strtod_l_internal)
+libc_hidden_proto (____strtold_l_internal)
+libc_hidden_proto (____strtol_l_internal)
+libc_hidden_proto (____strtoll_l_internal)
+libc_hidden_proto (____strtoul_l_internal)
+libc_hidden_proto (____strtoull_l_internal)
+
+libc_hidden_proto (strtof)
+libc_hidden_proto (strtod)
+libc_hidden_proto (strtold)
+libc_hidden_proto (strtol)
+libc_hidden_proto (strtoll)
+libc_hidden_proto (strtoul)
+libc_hidden_proto (strtoull)
+
+extern float __strtof_nan (const char *, char **, char) internal_function;
+extern double __strtod_nan (const char *, char **, char) internal_function;
+extern long double __strtold_nan (const char *, char **, char)
+     internal_function;
+extern float __wcstof_nan (const wchar_t *, wchar_t **, wchar_t)
+     internal_function;
+extern double __wcstod_nan (const wchar_t *, wchar_t **, wchar_t)
+     internal_function;
+extern long double __wcstold_nan (const wchar_t *, wchar_t **, wchar_t)
+     internal_function;
+
+libc_hidden_proto (__strtof_nan)
+libc_hidden_proto (__strtod_nan)
+libc_hidden_proto (__strtold_nan)
+libc_hidden_proto (__wcstof_nan)
+libc_hidden_proto (__wcstod_nan)
+libc_hidden_proto (__wcstold_nan)
+
+extern char *__ecvt (double __value, int __ndigit, int *__restrict __decpt,
+		     int *__restrict __sign);
+extern char *__fcvt (double __value, int __ndigit, int *__restrict __decpt,
+		     int *__restrict __sign);
+extern char *__gcvt (double __value, int __ndigit, char *__buf);
+extern int __ecvt_r (double __value, int __ndigit, int *__restrict __decpt,
+		     int *__restrict __sign, char *__restrict __buf,
+		     size_t __len);
+extern int __fcvt_r (double __value, int __ndigit, int *__restrict __decpt,
+		     int *__restrict __sign, char *__restrict __buf,
+		     size_t __len);
+extern char *__qecvt (long double __value, int __ndigit,
+		      int *__restrict __decpt, int *__restrict __sign);
+extern char *__qfcvt (long double __value, int __ndigit,
+		      int *__restrict __decpt, int *__restrict __sign);
+extern char *__qgcvt (long double __value, int __ndigit, char *__buf);
+extern int __qecvt_r (long double __value, int __ndigit,
+		      int *__restrict __decpt, int *__restrict __sign,
+		      char *__restrict __buf, size_t __len);
+extern int __qfcvt_r (long double __value, int __ndigit,
+		      int *__restrict __decpt, int *__restrict __sign,
+		      char *__restrict __buf, size_t __len);
+
+# if IS_IN (libc)
+#  undef MB_CUR_MAX
+#  define MB_CUR_MAX (_NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_MB_CUR_MAX))
+# endif
+
+extern void *__default_morecore (ptrdiff_t) __THROW;
+libc_hidden_proto (__default_morecore)
+
+struct abort_msg_s
+{
+  unsigned int size;
+  char msg[0];
+};
+extern struct abort_msg_s *__abort_msg;
+libc_hidden_proto (__abort_msg)
+
+# if IS_IN (rtld)
+extern __typeof (unsetenv) unsetenv attribute_hidden;
+extern __typeof (__strtoul_internal) __strtoul_internal attribute_hidden;
+# endif
+
+__END_DECLS
+
+#endif
+
+#undef __Need_M_And_C
+
+#endif  /* include/stdlib.h */