diff --git a/include/bits/alltypes.h b/include/bits/alltypes.h
new file mode 100644
index 0000000..03ccba2
--- /dev/null
+++ b/include/bits/alltypes.h
@@ -0,0 +1,416 @@
+#define _REDIR_TIME64 1
+#define _Addr int
+#define _Int64 long long
+#define _Reg int
+
+#if __BIG_ENDIAN__
+#define __BYTE_ORDER 4321
+#else
+#define __BYTE_ORDER 1234
+#endif
+
+#define __LONG_MAX 0x7fffffffL
+
+#ifndef __cplusplus
+#ifdef __WCHAR_TYPE__
+#if defined(__NEED_wchar_t) && !defined(__DEFINED_wchar_t)
+typedef __WCHAR_TYPE__ wchar_t;
+#define __DEFINED_wchar_t
+#endif
+
+#else
+#if defined(__NEED_wchar_t) && !defined(__DEFINED_wchar_t)
+typedef long wchar_t;
+#define __DEFINED_wchar_t
+#endif
+
+#endif
+#endif
+
+#if defined(__NEED_float_t) && !defined(__DEFINED_float_t)
+typedef float float_t;
+#define __DEFINED_float_t
+#endif
+
+#if defined(__NEED_double_t) && !defined(__DEFINED_double_t)
+typedef double double_t;
+#define __DEFINED_double_t
+#endif
+
+
+#if defined(__NEED_max_align_t) && !defined(__DEFINED_max_align_t)
+typedef struct { long long __ll; long double __ld; } max_align_t;
+#define __DEFINED_max_align_t
+#endif
+
+#define __LITTLE_ENDIAN 1234
+#define __BIG_ENDIAN 4321
+#define __USE_TIME_BITS64 1
+
+#if defined(__NEED_size_t) && !defined(__DEFINED_size_t)
+typedef unsigned _Addr size_t;
+#define __DEFINED_size_t
+#endif
+
+#if defined(__NEED_uintptr_t) && !defined(__DEFINED_uintptr_t)
+typedef unsigned _Addr uintptr_t;
+#define __DEFINED_uintptr_t
+#endif
+
+#if defined(__NEED_ptrdiff_t) && !defined(__DEFINED_ptrdiff_t)
+typedef _Addr ptrdiff_t;
+#define __DEFINED_ptrdiff_t
+#endif
+
+#if defined(__NEED_ssize_t) && !defined(__DEFINED_ssize_t)
+typedef _Addr ssize_t;
+#define __DEFINED_ssize_t
+#endif
+
+#if defined(__NEED_intptr_t) && !defined(__DEFINED_intptr_t)
+typedef _Addr intptr_t;
+#define __DEFINED_intptr_t
+#endif
+
+#if defined(__NEED_regoff_t) && !defined(__DEFINED_regoff_t)
+typedef _Addr regoff_t;
+#define __DEFINED_regoff_t
+#endif
+
+#if defined(__NEED_register_t) && !defined(__DEFINED_register_t)
+typedef _Reg register_t;
+#define __DEFINED_register_t
+#endif
+
+#if defined(__NEED_time_t) && !defined(__DEFINED_time_t)
+typedef _Int64 time_t;
+#define __DEFINED_time_t
+#endif
+
+#if defined(__NEED_suseconds_t) && !defined(__DEFINED_suseconds_t)
+typedef _Int64 suseconds_t;
+#define __DEFINED_suseconds_t
+#endif
+
+
+#if defined(__NEED_int8_t) && !defined(__DEFINED_int8_t)
+typedef signed char     int8_t;
+#define __DEFINED_int8_t
+#endif
+
+#if defined(__NEED_int16_t) && !defined(__DEFINED_int16_t)
+typedef signed short    int16_t;
+#define __DEFINED_int16_t
+#endif
+
+#if defined(__NEED_int32_t) && !defined(__DEFINED_int32_t)
+typedef signed int      int32_t;
+#define __DEFINED_int32_t
+#endif
+
+#if defined(__NEED_int64_t) && !defined(__DEFINED_int64_t)
+typedef signed _Int64   int64_t;
+#define __DEFINED_int64_t
+#endif
+
+#if defined(__NEED_intmax_t) && !defined(__DEFINED_intmax_t)
+typedef signed _Int64   intmax_t;
+#define __DEFINED_intmax_t
+#endif
+
+#if defined(__NEED_uint8_t) && !defined(__DEFINED_uint8_t)
+typedef unsigned char   uint8_t;
+#define __DEFINED_uint8_t
+#endif
+
+#if defined(__NEED_uint16_t) && !defined(__DEFINED_uint16_t)
+typedef unsigned short  uint16_t;
+#define __DEFINED_uint16_t
+#endif
+
+#if defined(__NEED_uint32_t) && !defined(__DEFINED_uint32_t)
+typedef unsigned int    uint32_t;
+#define __DEFINED_uint32_t
+#endif
+
+#if defined(__NEED_uint64_t) && !defined(__DEFINED_uint64_t)
+typedef unsigned _Int64 uint64_t;
+#define __DEFINED_uint64_t
+#endif
+
+#if defined(__NEED_u_int64_t) && !defined(__DEFINED_u_int64_t)
+typedef unsigned _Int64 u_int64_t;
+#define __DEFINED_u_int64_t
+#endif
+
+#if defined(__NEED_uintmax_t) && !defined(__DEFINED_uintmax_t)
+typedef unsigned _Int64 uintmax_t;
+#define __DEFINED_uintmax_t
+#endif
+
+
+#if defined(__NEED_mode_t) && !defined(__DEFINED_mode_t)
+typedef unsigned mode_t;
+#define __DEFINED_mode_t
+#endif
+
+#if defined(__NEED_nlink_t) && !defined(__DEFINED_nlink_t)
+typedef unsigned _Reg nlink_t;
+#define __DEFINED_nlink_t
+#endif
+
+#if defined(__NEED_off_t) && !defined(__DEFINED_off_t)
+typedef _Int64 off_t;
+#define __DEFINED_off_t
+#endif
+
+#if defined(__NEED_ino_t) && !defined(__DEFINED_ino_t)
+typedef unsigned _Int64 ino_t;
+#define __DEFINED_ino_t
+#endif
+
+#if defined(__NEED_dev_t) && !defined(__DEFINED_dev_t)
+typedef unsigned _Int64 dev_t;
+#define __DEFINED_dev_t
+#endif
+
+#if defined(__NEED_blksize_t) && !defined(__DEFINED_blksize_t)
+typedef long blksize_t;
+#define __DEFINED_blksize_t
+#endif
+
+#if defined(__NEED_blkcnt_t) && !defined(__DEFINED_blkcnt_t)
+typedef _Int64 blkcnt_t;
+#define __DEFINED_blkcnt_t
+#endif
+
+#if defined(__NEED_fsblkcnt_t) && !defined(__DEFINED_fsblkcnt_t)
+typedef unsigned _Int64 fsblkcnt_t;
+#define __DEFINED_fsblkcnt_t
+#endif
+
+#if defined(__NEED_fsfilcnt_t) && !defined(__DEFINED_fsfilcnt_t)
+typedef unsigned _Int64 fsfilcnt_t;
+#define __DEFINED_fsfilcnt_t
+#endif
+
+
+#if defined(__NEED_wint_t) && !defined(__DEFINED_wint_t)
+typedef unsigned wint_t;
+#define __DEFINED_wint_t
+#endif
+
+#if defined(__NEED_wctype_t) && !defined(__DEFINED_wctype_t)
+typedef unsigned long wctype_t;
+#define __DEFINED_wctype_t
+#endif
+
+
+#if defined(__NEED_timer_t) && !defined(__DEFINED_timer_t)
+typedef void * timer_t;
+#define __DEFINED_timer_t
+#endif
+
+#if defined(__NEED_clockid_t) && !defined(__DEFINED_clockid_t)
+typedef int clockid_t;
+#define __DEFINED_clockid_t
+#endif
+
+#if defined(__NEED_clock_t) && !defined(__DEFINED_clock_t)
+typedef long clock_t;
+#define __DEFINED_clock_t
+#endif
+
+#if defined(__NEED_struct_timeval) && !defined(__DEFINED_struct_timeval)
+struct timeval { time_t tv_sec; suseconds_t tv_usec; };
+#define __DEFINED_struct_timeval
+#endif
+
+#if defined(__NEED_struct_timespec) && !defined(__DEFINED_struct_timespec)
+struct timespec { time_t tv_sec; int :8*(sizeof(time_t)-sizeof(long))*(__BYTE_ORDER==4321); long tv_nsec; int :8*(sizeof(time_t)-sizeof(long))*(__BYTE_ORDER!=4321); };
+#define __DEFINED_struct_timespec
+#endif
+
+
+#if defined(__NEED_pid_t) && !defined(__DEFINED_pid_t)
+typedef int pid_t;
+#define __DEFINED_pid_t
+#endif
+
+#if defined(__NEED_id_t) && !defined(__DEFINED_id_t)
+typedef unsigned id_t;
+#define __DEFINED_id_t
+#endif
+
+#if defined(__NEED_uid_t) && !defined(__DEFINED_uid_t)
+typedef unsigned uid_t;
+#define __DEFINED_uid_t
+#endif
+
+#if defined(__NEED_gid_t) && !defined(__DEFINED_gid_t)
+typedef unsigned gid_t;
+#define __DEFINED_gid_t
+#endif
+
+#if defined(__NEED_key_t) && !defined(__DEFINED_key_t)
+typedef int key_t;
+#define __DEFINED_key_t
+#endif
+
+#if defined(__NEED_useconds_t) && !defined(__DEFINED_useconds_t)
+typedef unsigned useconds_t;
+#define __DEFINED_useconds_t
+#endif
+
+
+#ifdef __cplusplus
+#if defined(__NEED_pthread_t) && !defined(__DEFINED_pthread_t)
+typedef unsigned long pthread_t;
+#define __DEFINED_pthread_t
+#endif
+
+#else
+#if defined(__NEED_pthread_t) && !defined(__DEFINED_pthread_t)
+typedef struct __pthread * pthread_t;
+#define __DEFINED_pthread_t
+#endif
+
+#endif
+#if defined(__NEED_pthread_once_t) && !defined(__DEFINED_pthread_once_t)
+typedef int pthread_once_t;
+#define __DEFINED_pthread_once_t
+#endif
+
+#if defined(__NEED_pthread_key_t) && !defined(__DEFINED_pthread_key_t)
+typedef unsigned pthread_key_t;
+#define __DEFINED_pthread_key_t
+#endif
+
+#if defined(__NEED_pthread_spinlock_t) && !defined(__DEFINED_pthread_spinlock_t)
+typedef int pthread_spinlock_t;
+#define __DEFINED_pthread_spinlock_t
+#endif
+
+#if defined(__NEED_pthread_mutexattr_t) && !defined(__DEFINED_pthread_mutexattr_t)
+typedef struct { unsigned __attr; } pthread_mutexattr_t;
+#define __DEFINED_pthread_mutexattr_t
+#endif
+
+#if defined(__NEED_pthread_condattr_t) && !defined(__DEFINED_pthread_condattr_t)
+typedef struct { unsigned __attr; } pthread_condattr_t;
+#define __DEFINED_pthread_condattr_t
+#endif
+
+#if defined(__NEED_pthread_barrierattr_t) && !defined(__DEFINED_pthread_barrierattr_t)
+typedef struct { unsigned __attr; } pthread_barrierattr_t;
+#define __DEFINED_pthread_barrierattr_t
+#endif
+
+#if defined(__NEED_pthread_rwlockattr_t) && !defined(__DEFINED_pthread_rwlockattr_t)
+typedef struct { unsigned __attr[2]; } pthread_rwlockattr_t;
+#define __DEFINED_pthread_rwlockattr_t
+#endif
+
+
+#if defined(__NEED_struct__IO_FILE) && !defined(__DEFINED_struct__IO_FILE)
+struct _IO_FILE { char __x; };
+#define __DEFINED_struct__IO_FILE
+#endif
+
+#if defined(__NEED_FILE) && !defined(__DEFINED_FILE)
+typedef struct _IO_FILE FILE;
+#define __DEFINED_FILE
+#endif
+
+
+#if defined(__NEED_va_list) && !defined(__DEFINED_va_list)
+typedef __builtin_va_list va_list;
+#define __DEFINED_va_list
+#endif
+
+#if defined(__NEED___isoc_va_list) && !defined(__DEFINED___isoc_va_list)
+typedef __builtin_va_list __isoc_va_list;
+#define __DEFINED___isoc_va_list
+#endif
+
+
+#if defined(__NEED_mbstate_t) && !defined(__DEFINED_mbstate_t)
+typedef struct __mbstate_t { unsigned __opaque1, __opaque2; } mbstate_t;
+#define __DEFINED_mbstate_t
+#endif
+
+
+#if defined(__NEED_locale_t) && !defined(__DEFINED_locale_t)
+typedef struct __locale_struct * locale_t;
+#define __DEFINED_locale_t
+#endif
+
+
+#if defined(__NEED_sigset_t) && !defined(__DEFINED_sigset_t)
+typedef struct __sigset_t { unsigned long __bits[128/sizeof(long)]; } sigset_t;
+#define __DEFINED_sigset_t
+#endif
+
+
+#if defined(__NEED_struct_iovec) && !defined(__DEFINED_struct_iovec)
+struct iovec { void *iov_base; size_t iov_len; };
+#define __DEFINED_struct_iovec
+#endif
+
+
+#if defined(__NEED_struct_winsize) && !defined(__DEFINED_struct_winsize)
+struct winsize { unsigned short ws_row, ws_col, ws_xpixel, ws_ypixel; };
+#define __DEFINED_struct_winsize
+#endif
+
+
+#if defined(__NEED_socklen_t) && !defined(__DEFINED_socklen_t)
+typedef unsigned socklen_t;
+#define __DEFINED_socklen_t
+#endif
+
+#if defined(__NEED_sa_family_t) && !defined(__DEFINED_sa_family_t)
+typedef unsigned short sa_family_t;
+#define __DEFINED_sa_family_t
+#endif
+
+
+#if defined(__NEED_pthread_attr_t) && !defined(__DEFINED_pthread_attr_t)
+typedef struct { union { int __i[sizeof(long)==8?14:9]; volatile int __vi[sizeof(long)==8?14:9]; unsigned long __s[sizeof(long)==8?7:9]; } __u; } pthread_attr_t;
+#define __DEFINED_pthread_attr_t
+#endif
+
+#if defined(__NEED_pthread_mutex_t) && !defined(__DEFINED_pthread_mutex_t)
+typedef struct { union { int __i[sizeof(long)==8?10:6]; volatile int __vi[sizeof(long)==8?10:6]; volatile void *volatile __p[sizeof(long)==8?5:6]; } __u; } pthread_mutex_t;
+#define __DEFINED_pthread_mutex_t
+#endif
+
+#if defined(__NEED_mtx_t) && !defined(__DEFINED_mtx_t)
+typedef struct { union { int __i[sizeof(long)==8?10:6]; volatile int __vi[sizeof(long)==8?10:6]; volatile void *volatile __p[sizeof(long)==8?5:6]; } __u; } mtx_t;
+#define __DEFINED_mtx_t
+#endif
+
+#if defined(__NEED_pthread_cond_t) && !defined(__DEFINED_pthread_cond_t)
+typedef struct { union { int __i[12]; volatile int __vi[12]; void *__p[12*sizeof(int)/sizeof(void*)]; } __u; } pthread_cond_t;
+#define __DEFINED_pthread_cond_t
+#endif
+
+#if defined(__NEED_cnd_t) && !defined(__DEFINED_cnd_t)
+typedef struct { union { int __i[12]; volatile int __vi[12]; void *__p[12*sizeof(int)/sizeof(void*)]; } __u; } cnd_t;
+#define __DEFINED_cnd_t
+#endif
+
+#if defined(__NEED_pthread_rwlock_t) && !defined(__DEFINED_pthread_rwlock_t)
+typedef struct { union { int __i[sizeof(long)==8?14:8]; volatile int __vi[sizeof(long)==8?14:8]; void *__p[sizeof(long)==8?7:8]; } __u; } pthread_rwlock_t;
+#define __DEFINED_pthread_rwlock_t
+#endif
+
+#if defined(__NEED_pthread_barrier_t) && !defined(__DEFINED_pthread_barrier_t)
+typedef struct { union { int __i[sizeof(long)==8?8:5]; volatile int __vi[sizeof(long)==8?8:5]; void *__p[sizeof(long)==8?4:5]; } __u; } pthread_barrier_t;
+#define __DEFINED_pthread_barrier_t
+#endif
+
+
+#undef _Addr
+#undef _Int64
+#undef _Reg
diff --git a/include/bits/stdint.h b/include/bits/stdint.h
new file mode 100644
index 0000000..d1b2712
--- /dev/null
+++ b/include/bits/stdint.h
@@ -0,0 +1,20 @@
+typedef int32_t int_fast16_t;
+typedef int32_t int_fast32_t;
+typedef uint32_t uint_fast16_t;
+typedef uint32_t uint_fast32_t;
+
+#define INT_FAST16_MIN  INT32_MIN
+#define INT_FAST32_MIN  INT32_MIN
+
+#define INT_FAST16_MAX  INT32_MAX
+#define INT_FAST32_MAX  INT32_MAX
+
+#define UINT_FAST16_MAX UINT32_MAX
+#define UINT_FAST32_MAX UINT32_MAX
+
+#define INTPTR_MIN      INT32_MIN
+#define INTPTR_MAX      INT32_MAX
+#define UINTPTR_MAX     UINT32_MAX
+#define PTRDIFF_MIN     INT32_MIN
+#define PTRDIFF_MAX     INT32_MAX
+#define SIZE_MAX        UINT32_MAX
diff --git a/include/stddef.h b/include/stddef.h
index 15ddd34..bd75385 100644
--- a/include/stddef.h
+++ b/include/stddef.h
@@ -1,28 +1,25 @@
-#ifndef _FXCG_STDDEF_H
-#define _FXCG_STDDEF_H
+#ifndef _STDDEF_H
+#define _STDDEF_H
 
 #ifdef __cplusplus
-extern "C" {
-#endif
-
-// Python requires that NULL be a macro, so humor it.
-#undef NULL
-#if defined(__cplusplus)
-#define NULL 0
+#define NULL 0L
 #else
 #define NULL ((void*)0)
-// We don't do unicode of any sort.
-typedef unsigned char wchar_t;
 #endif
 
-#define offsetof(type, member) __builtin_offsetof(type, member)
-
-#ifndef size_t
-typedef unsigned size_t;
+#define __NEED_ptrdiff_t
+#define __NEED_size_t
+#define __NEED_wchar_t
+#if __STDC_VERSION__ >= 201112L || __cplusplus >= 201103L
+#define __NEED_max_align_t
 #endif
 
-#ifdef __cplusplus
-}
+#include <bits/alltypes.h>
+
+#if __GNUC__ > 3
+#define offsetof(type, member) __builtin_offsetof(type, member)
+#else
+#define offsetof(type, member) ((size_t)( (char *)&(((type *)0)->member) - (char *)0 ))
 #endif
 
 #endif
diff --git a/include/stdint.h b/include/stdint.h
new file mode 100644
index 0000000..a296819
--- /dev/null
+++ b/include/stdint.h
@@ -0,0 +1,117 @@
+#ifndef _STDINT_H
+#define _STDINT_H
+
+#define __NEED_int8_t
+#define __NEED_int16_t
+#define __NEED_int32_t
+#define __NEED_int64_t
+
+#define __NEED_uint8_t
+#define __NEED_uint16_t
+#define __NEED_uint32_t
+#define __NEED_uint64_t
+
+#define __NEED_intptr_t
+#define __NEED_uintptr_t
+
+#define __NEED_intmax_t
+#define __NEED_uintmax_t
+
+#include <bits/alltypes.h>
+
+typedef int8_t int_fast8_t;
+typedef int64_t int_fast64_t;
+
+typedef int8_t  int_least8_t;
+typedef int16_t int_least16_t;
+typedef int32_t int_least32_t;
+typedef int64_t int_least64_t;
+
+typedef uint8_t uint_fast8_t;
+typedef uint64_t uint_fast64_t;
+
+typedef uint8_t  uint_least8_t;
+typedef uint16_t uint_least16_t;
+typedef uint32_t uint_least32_t;
+typedef uint64_t uint_least64_t;
+
+#define INT8_MIN   (-1-0x7f)
+#define INT16_MIN  (-1-0x7fff)
+#define INT32_MIN  (-1-0x7fffffff)
+#define INT64_MIN  (-1-0x7fffffffffffffff)
+
+#define INT8_MAX   (0x7f)
+#define INT16_MAX  (0x7fff)
+#define INT32_MAX  (0x7fffffff)
+#define INT64_MAX  (0x7fffffffffffffff)
+
+#define UINT8_MAX  (0xff)
+#define UINT16_MAX (0xffff)
+#define UINT32_MAX (0xffffffffu)
+#define UINT64_MAX (0xffffffffffffffffu)
+
+#define INT_FAST8_MIN   INT8_MIN
+#define INT_FAST64_MIN  INT64_MIN
+
+#define INT_LEAST8_MIN   INT8_MIN
+#define INT_LEAST16_MIN  INT16_MIN
+#define INT_LEAST32_MIN  INT32_MIN
+#define INT_LEAST64_MIN  INT64_MIN
+
+#define INT_FAST8_MAX   INT8_MAX
+#define INT_FAST64_MAX  INT64_MAX
+
+#define INT_LEAST8_MAX   INT8_MAX
+#define INT_LEAST16_MAX  INT16_MAX
+#define INT_LEAST32_MAX  INT32_MAX
+#define INT_LEAST64_MAX  INT64_MAX
+
+#define UINT_FAST8_MAX  UINT8_MAX
+#define UINT_FAST64_MAX UINT64_MAX
+
+#define UINT_LEAST8_MAX  UINT8_MAX
+#define UINT_LEAST16_MAX UINT16_MAX
+#define UINT_LEAST32_MAX UINT32_MAX
+#define UINT_LEAST64_MAX UINT64_MAX
+
+#define INTMAX_MIN  INT64_MIN
+#define INTMAX_MAX  INT64_MAX
+#define UINTMAX_MAX UINT64_MAX
+
+#define WINT_MIN 0U
+#define WINT_MAX UINT32_MAX
+
+#if L'\0'-1 > 0
+#define WCHAR_MAX (0xffffffffu+L'\0')
+#define WCHAR_MIN (0+L'\0')
+#else
+#define WCHAR_MAX (0x7fffffff+L'\0')
+#define WCHAR_MIN (-1-0x7fffffff+L'\0')
+#endif
+
+#define SIG_ATOMIC_MIN  INT32_MIN
+#define SIG_ATOMIC_MAX  INT32_MAX
+
+#include <bits/stdint.h>
+
+#define INT8_C(c)  c
+#define INT16_C(c) c
+#define INT32_C(c) c
+
+#define UINT8_C(c)  c
+#define UINT16_C(c) c
+#define UINT32_C(c) c ## U
+
+#if UINTPTR_MAX == UINT64_MAX
+#define INT64_C(c) c ## L
+#define UINT64_C(c) c ## UL
+#define INTMAX_C(c)  c ## L
+#define UINTMAX_C(c) c ## UL
+#else
+#define INT64_C(c) c ## LL
+#define UINT64_C(c) c ## ULL
+#define INTMAX_C(c)  c ## LL
+#define UINTMAX_C(c) c ## ULL
+#endif
+
+#endif