diff --git a/.vscode/c_cpp_properties.json b/.vscode/c_cpp_properties.json
index ea6e5d408..19f213496 100644
--- a/.vscode/c_cpp_properties.json
+++ b/.vscode/c_cpp_properties.json
@@ -1,13 +1,12 @@
 {
 	"configurations": [
 		{
-			"name": "Linux",
+			"name": "Win32",
 			"includePath": [
 				"${workspaceFolder}"
 			],
 			"cStandard": "c11",
 			"cppStandard": "c++11",
-			"compilerPath": "${workspaceFolder}/o/third_party/gcc/bin/x86_64-linux-musl-gcc",
 			"forcedInclude": ["${workspaceFolder}/.vscode/vscode.h"],
 			"defines": [
 				"libcesque=",
@@ -63,6 +62,50 @@
 				"attributeallocalign(x)=",
 				"nullterminated(x)="
 			]
+		},
+		{
+			"name": "Linux",
+			"includePath": [
+				"${workspaceFolder}"
+			],
+			"cStandard": "gnu17",
+			"compilerPath": "${workspaceFolder}/o/third_party/gcc/bin/x86_64-linux-musl-gcc",
+			"compilerArgs": [
+				"-Wall",
+				"-Werror",
+				"-fdebug-prefix-map=${workspaceFolder}=",
+				"-frecord-gcc-switches",
+				"-Wa,-W",
+				"-Wa,-I.",
+				"-Wa,--noexecstack",
+				"-Wa,--nocompress-debug-sections",
+				"-Og",
+				"-g",
+				"-gdescribe-dies",
+				"-msse3",
+				"-mno-red-zone",
+				"-fno-math-errno",
+				"-fno-trapping-math",
+				"-fno-fp-int-builtin-inexact",
+				"-fno-ident",
+				"-fno-common",
+				"-fno-gnu-unique",
+				"-fstrict-aliasing",
+				"-fstrict-overflow",
+				"-fno-semantic-interposition",
+				"-mno-omit-leaf-frame-pointer",
+				"-fno-jump-tables",
+				"-nostdinc",
+				"-iquote."
+			],
+			"forcedInclude": [
+				"libc/integral/normalize.inc"
+			],
+			"defines": [
+				"COSMO",
+				"MODE=",
+				"IMAGE_BASE_VIRTUAL=0x400000"
+			]
 		}
 	],
 	"version": 4
diff --git a/.vscode/vscode.h b/.vscode/vscode.h
index df52f069d..dfd8ea74e 100644
--- a/.vscode/vscode.h
+++ b/.vscode/vscode.h
@@ -1,159 +1,2 @@
 #define __VSCODE_INTELLISENSE__ 1
 #include "libc/integral/normalize.inc"
-
-#if 0
-#define __VSCODE_INTELLISENSE__ 1
-#define __BIGGEST_ALIGNMENT__   1
-#define __CHAR_MAX__            0x7F
-#define __SCHAR_MAX__           __CHAR_MAX__
-#define __SHRT_MAX__            0x7FFF
-#define __INT_MAX__             0x7FFFFFFF
-#define __LONG_MAX__            0x7FFFFFFFFFFFFFFF
-#define __LONG_LONG_MAX__       __LONG_MAX__
-#define __CHAR_MIN__            -((__CHAR_MAX__) + 1)
-#define __SHRT_MIN__            -((__SHRT_MAX__) + 1)
-#define __INT_MIN__             -((__INT_MAX__) + 1)
-#define __LONG_MIN__            -((__LONG_MAX__) + 1)
-#define __LONG_LONG_MIN__       -((__LONG_LONG_MAX__) + 1)
-#define __UCHAR_MAX__           0xFF
-#define __USHRT_MAX__           0xFFFF
-#define __UINT_MAX__            0xFFFFFFFF
-#define __ULONG_MAX__           0xFFFFFFFFFFFFFFFF
-#define __SIZE_MAX__            __ULONG_MAX__
-#define __SSIZE_MAX__           __LONG_MAX__
-#define __UINTPTR_MAX__         __SIZE_MAX__
-#define __INTPTR_MAX__          __SSIZE_MAX__
-#define __WCHAR_MAX__           __UINT_MAX__
-#define __PTRDIFF_MAX__         __UINTPTR_MAX__
-#define __INTMAX_MAX__          __ULONG_MAX__
-#define __SIZEOF_POINTER__      8
-#define __SIZEOF_SHORT__        2
-#define __SIZEOF_INT__          4
-#define __SIZEOF_LONG__         8
-#define __SIZEOF_LONG_LONG__    8
-#define __SIZEOF_PTRDIFF_T__    8
-#define __SIZEOF_SIZE_T__       8
-#define __SIZEOF_WCHAR_T__      4
-#define __SIZEOF_WINT_T__       4
-#define __SIZEOF_FLOAT__        4
-#define __SIZEOF_FLOAT128__     16
-#define __SIZEOF_DOUBLE__       8
-#define __SIZEOF_FLOAT80__      10
-#define __SIZEOF_LONG_DOUBLE__  16
-#define __FLT_MAX__             1
-#define __DBL_MAX__             1
-
-#define __INT_LEAST8_TYPE__   signed char
-#define __INT_LEAST16_TYPE__  signed short
-#define __INT_LEAST32_TYPE__  signed int
-#define __INT_LEAST64_TYPE__  signed long long
-#define __UINT_LEAST8_TYPE__  unsigned char
-#define __UINT_LEAST16_TYPE__ unsigned short
-#define __UINT_LEAST32_TYPE__ unsigned int
-#define __UINT_LEAST64_TYPE__ unsigned long long
-
-#define __UINT8_MAX__  __UCHAR_MAX__
-#define __UINT16_MAX__ __USHRT_MAX__
-#define __UINT32_MAX__ __UINT_MAX__
-#define __UINT64_MAX__ __ULONG_MAX__
-
-#define __INT8_MAX__  __CHAR_MAX__
-#define __INT16_MAX__ __SHRT_MAX__
-#define __INT32_MAX__ __INT_MAX__
-#define __INT64_MAX__ __LONG_MAX__
-
-#define ATEXIT_MAX 1
-#define STACKSIZE  0x10000
-#define ARG_MAX    255
-#define OPEN_MAX   0x7FFF
-#define CHAR_BIT   7
-#define NSIG       1
-#define NULL       (0)
-#define false 0
-#define true (!(false))
-#define COSMOPOLITAN_C_START_
-#define COSMOPOLITAN_C_END_
-#define PAGESIZE    0x1000
-#define BIGPAGESIZE 0x10000
-#define NAME_MAX    255
-
-#define SWITCHEROO(...) 0
-
-extern unsigned __log_level;
-
-typedef void * va_list;
-
-#define va_start(...) 0
-#define va_end(...)   0
-#define va_arg(x, y)  (y)(0)
-
-typedef signed char int8_t;
-typedef signed short int16_t;
-typedef signed int int32_t;
-#define int64_t       long long
-#define int128_t      int64_t
-typedef unsigned char uint8_t;
-typedef unsigned short uint16_t;
-typedef unsigned int uint32_t;
-typedef unsigned long long uint64_t;
-typedef unsigned long long uint128_t;
-
-typedef int errno_t;
-typedef uint64_t size_t;
-typedef unsigned long long ssize_t;
-typedef uint64_t uintptr_t;
-typedef long long intptr_t;
-
-typedef unsigned long long uintmax_t;
-typedef long long intmax_t;
-
-typedef uint32_t bool32;
-
-#ifndef __cplusplus
-typedef uint8_t bool;
-typedef uint16_t char16_t;
-typedef uint32_t char32_t;
-#endif /* __cplusplus */
-
-typedef char32_t wint_t;
-typedef char32_t wchar_t;
-typedef struct { int ax, dx; } axdx_t;
-
-/* duplicate and replace xmmintrin.internal.h to fix it for IntelliSense
- * SEE: <> */
-
-#define _Vector_size(x) __attribute__((__vector_size__(x)))
-
-#define IMAGE_BASE_VIRTUAL 0x400000
-#define __SIGACTION(...)   (0)
-#define VEIL(x, y)         (y)
-#define STATIC_YOINK(x)
-#define BUFSIZ                1
-#define FRAMESIZE             0x10000
-#define PATH_MAX              252
-#define concat(x, y, z)       0
-#define CONCAT(a, b, c, d, e) 0
-#define shuffle(...)          0
-#define reverse(x, y)         0
-#define autotype(x)           intptr_t
-
-#define _Generic_(...) (void*)(0)
-#define _Generic(...) _Generic_
-#define _Alignas(...)
-#define _Section(...)
-
-#define offsetof(x, y)   0
-#define INITIALIZER(...) struct _dummy
-#define __far
-#define BENCHLOOP(...) 0
-
-#ifdef __hook
-#undef __hook
-#endif /* __hook */
-
-#ifdef UriKeyval
-#undef UriKeyval
-#endif /* UriKeyval */
-
-#define _Static_assert(...) 0
-#endif /* 0 */
diff --git a/libc/integral/llp64.inc b/libc/integral/llp64.inc
index 36c224199..73cd5cca4 100644
--- a/libc/integral/llp64.inc
+++ b/libc/integral/llp64.inc
@@ -55,9 +55,6 @@
 #define __CHAR16_TYPE__  short unsigned int
 #define __CHAR32_TYPE__  unsigned int
 #define __WINT_TYPE__    unsigned int
-#define __CHAR16_TYPE__  short unsigned int
-#define __WCHAR_TYPE__   int
-#define __CHAR32_TYPE__  unsigned int
 
 #define __INT_LEAST8_TYPE__   __INT8_TYPE__
 #define __UINT_LEAST8_TYPE__  __UINT8_TYPE__
diff --git a/libc/integral/lp64.inc b/libc/integral/lp64.inc
index 387f2eb67..903b72c36 100644
--- a/libc/integral/lp64.inc
+++ b/libc/integral/lp64.inc
@@ -46,9 +46,6 @@
 #define __CHAR16_TYPE__  short unsigned int
 #define __CHAR32_TYPE__  unsigned int
 #define __WINT_TYPE__    unsigned int
-#define __CHAR16_TYPE__  short unsigned int
-#define __WCHAR_TYPE__   int
-#define __CHAR32_TYPE__  unsigned int
 
 #define __INT_LEAST8_TYPE__   __INT8_TYPE__
 #define __UINT_LEAST8_TYPE__  __UINT8_TYPE__