...

src/stdlib/mem.c

@@ -1,5 +1,5 @@
 #include "mem.h"
-#include <stdint.h>
+#include "stdint.h"
 
 void memset(void* destination, uint8_t value, size_t length)
 {

src/stdlib/mem.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include <stddef.h>
-#include <stdint.h>
+#include "stddef.h"
+#include "stdint.h"
 
 void memset(void* destination, uint8_t value, size_t length);

src/stdlib/stdarg.h

@@ -0,0 +1,8 @@
+#pragma once
+
+typedef __builtin_va_list va_list;
+
+#define va_start(ap, last) __builtin_va_start(ap, last)
+#define va_arg(ap, type) __builtin_va_arg(ap, type)
+#define va_end(ap) __builtin_va_end(ap)
+#define va_copy(dest, src) __builtin_va_copy(dest, src)

src/stdlib/stdbool.h

@@ -0,0 +1,7 @@
+#pragma once
+
+#define bool _Bool
+#define true 1
+#define false 0
+
+#define __bool_true_false_are_defined 1

src/stdlib/stddef.h

@@ -0,0 +1,12 @@
+#pragma once
+
+#ifndef NULL
+#define NULL ((void*)0)
+#endif
+
+typedef unsigned long size_t;
+typedef long ptrdiff_t;
+typedef long intptr_t;
+typedef unsigned long uintptr_t;
+
+#define offsetof(type, member) __builtin_offsetof(type, member)

src/stdlib/stdint.h

@@ -0,0 +1,50 @@
+#pragma once
+
+typedef signed char int8_t;
+typedef unsigned char uint8_t;
+typedef signed short int16_t;
+typedef unsigned short uint16_t;
+typedef signed int int32_t;
+typedef unsigned int uint32_t;
+typedef signed long long int64_t;
+typedef unsigned long long uint64_t;
+
+typedef uint8_t u8;
+typedef int8_t i8;
+typedef uint16_t u16;
+typedef int16_t i16;
+typedef uint32_t u32;
+typedef int32_t i32;
+typedef uint64_t u64;
+typedef int64_t i64;
+
+#define INT8_MIN (-128)
+#define INT8_MAX 127
+#define UINT8_MAX 0xff
+
+#define INT16_MIN (-32768)
+#define INT16_MAX 32767
+#define UINT16_MAX 0xffff
+
+#define INT32_MIN (-2147483647 - 1)
+#define INT32_MAX 2147483647
+#define UINT32_MAX 0xffffffffU
+
+#define INT64_MIN (-9223372036854775807LL - 1)
+#define INT64_MAX 9223372036854775807LL
+#define UINT64_MAX 0xffffffffffffffffULL
+
+#define INT8_C(x) x
+#define UINT8_C(x) x##U
+
+#define INT16_C(x) x
+#define UINT16_C(x) x##U
+
+#define INT32_C(x) x
+#define UINT32_C(x) x##U
+
+#define INT64_C(x) x##LL
+#define UINT64_C(x) x##ULL
+
+#define INTMAX_C(x) x##LL
+#define UINTMAX_C(x) x##ULL

src/stdlib/stdio.c

@@ -1,9 +1,9 @@
 #include "stdio.h"
 #include "../arch/arch.h"
+#include "stdarg.h"
+#include "stdbool.h"
+#include "stddef.h"
 #include "string.h"
-#include <stdarg.h>
-#include <stdbool.h>
-#include <stddef.h>
 
 void printf(const char* fmt, ...)
 {