some MSL_C work (#192)

* wip

* bunch of MSL_C files

thanks to pikmin2 decomp for their work

* format / asm

* progress

* fix

* fix remove-asm to work with C files

* init / start

19 files changed, 412 insertions, 97 deletions

diff --git a/include/DynamicLink.h b/include/DynamicLink.h
index a8905be76d..42c86a1e7c 100644
--- a/include/DynamicLink.h
+++ b/include/DynamicLink.h
@@ -14,7 +14,7 @@ struct DynamicModuleControlBase {
 
     /* 0x0C */ /*vtable*/
     /* 802621CC */ virtual ~DynamicModuleControlBase();
-    /* 800188DC */ virtual const char* getModuleName() const {return NULL;};
+    /* 800188DC */ virtual const char* getModuleName() const { return NULL; };
     /* 80263210 */ virtual int getModuleSize() const;
     /* 80263200 */ virtual const char* getModuleTypeString() const;
     /* 80262470 */ virtual void dump();
@@ -43,7 +43,7 @@ struct DynamicModuleControl : DynamicModuleControlBase {
     /* 80263218 */ virtual const char* getModuleName() const;
     /* 80263000 */ virtual int getModuleSize() const;
     /* 80263070 */ virtual const char* getModuleTypeString() const;
-    //virtual void dump();
+    // virtual void dump();
     /* 80262C0C */ virtual void dump2();
     /* 802627E8 */ virtual bool do_load();
     /* 80262AFC */ virtual BOOL do_load_async();
diff --git a/include/JSystem/J2DGraph/J2DMatBlock.h b/include/JSystem/J2DGraph/J2DMatBlock.h
index 5b80a90f18..f2e20854d8 100644
--- a/include/JSystem/J2DGraph/J2DMatBlock.h
+++ b/include/JSystem/J2DGraph/J2DMatBlock.h
@@ -422,21 +422,18 @@ struct J2DBlendInfo {
         mType = other.mType;
         mSrcFactor = other.mSrcFactor;
         mDstFactor = other.mDstFactor;
-        //mOp = other.mOp;
+        // mOp = other.mOp;
     }
 
     /* 0x0 */ u8 mType;
     /* 0x1 */ u8 mSrcFactor;
     /* 0x2 */ u8 mDstFactor;
-    
 };
 
 extern J2DBlendInfo j2dDefaultBlendInfo;
 
 struct J2DBlend {
-    J2DBlend() {
-        mBlendInfo = j2dDefaultBlendInfo;
-    }
+    J2DBlend() { mBlendInfo = j2dDefaultBlendInfo; }
 
     /* 0x0 */ J2DBlendInfo mBlendInfo;
     /* 0x3 */ u8 mOp;
@@ -444,9 +441,7 @@ struct J2DBlend {
 
 class J2DPEBlock {
 public:
-    J2DPEBlock() {
-        initialize();
-    }
+    J2DPEBlock() { initialize(); }
 
     /* 802F17FC */ void initialize();
     /* 802F1840 */ void setGX();
@@ -475,10 +470,8 @@ public:
 
 class J2DIndBlockFull : public J2DIndBlock {
 public:
-    J2DIndBlockFull() {
-        initialize();
-    }
-    
+    J2DIndBlockFull() { initialize(); }
+
     /* 802F1664 */ virtual void initialize();
     /* 802F1730 */ virtual void setGX();
     /* 802F1B94 */ virtual void getType();
@@ -515,9 +508,7 @@ private:
     /* 0x24 */ J2DTexMtx* mTexMtx[8];
 
 public:
-    J2DTexGenBlock() {
-        initialize();
-    }
+    J2DTexGenBlock() { initialize(); }
 
     /* 802EB510 */ void initialize();
     /* 802EB570 */ void setGX();
@@ -547,9 +538,7 @@ private:
     /* 0x12 */ u8 mCullMode;
 
 public:
-    J2DColorBlock() {
-        initialize();
-    }
+    J2DColorBlock() { initialize(); }
 
     /* 802EB394 */ void initialize();
     /* 802EB424 */ void setGX();
diff --git a/include/JSystem/J2DGraph/J2DMaterial.h b/include/JSystem/J2DGraph/J2DMaterial.h
index fbf30353d0..ebea34bec8 100644
--- a/include/JSystem/J2DGraph/J2DMaterial.h
+++ b/include/JSystem/J2DGraph/J2DMaterial.h
@@ -42,7 +42,6 @@ public:
     J2DTevBlock* getTevBlock() { return mTevBlock; }
     J2DIndBlock* getIndBlock() { return mIndBlock; }
 
-
 private:
     /* 0x04 */ int field_0x4;
     /* 0x08 */ int field_0x8;
diff --git a/include/JSystem/J2DGraph/J2DScreen.h b/include/JSystem/J2DGraph/J2DScreen.h
index 3ba1f4499c..a878d07f57 100644
--- a/include/JSystem/J2DGraph/J2DScreen.h
+++ b/include/JSystem/J2DGraph/J2DScreen.h
@@ -50,9 +50,9 @@ public:
     /* 802F9A74 */ virtual void setAnimationVF(J2DAnmVisibilityFull*);
     /* 802F9A78 */ virtual void setAnimationVC(J2DAnmVtxColor*);
     /* 802F99E8 */ virtual J2DPane* createPane(J2DScrnBlockHeader const&, JSURandomInputStream*,
-                                           J2DPane*, u32);
+                                               J2DPane*, u32);
     /* 802F8B98 */ virtual J2DPane* createPane(J2DScrnBlockHeader const&, JSURandomInputStream*,
-                                           J2DPane*, u32, JKRArchive*);
+                                               J2DPane*, u32, JKRArchive*);
 
     /* 802F8498 */ J2DScreen();
     /* 802F85A8 */ void clean();
diff --git a/include/JSystem/JKernel/JKRArchive.h b/include/JSystem/JKernel/JKRArchive.h
index edd694ea7e..47a8c1bc25 100644
--- a/include/JSystem/JKernel/JKRArchive.h
+++ b/include/JSystem/JKernel/JKRArchive.h
@@ -219,7 +219,7 @@ inline JKRCompression JKRConvertAttrToCompressionType(u32 attr) {
 }
 
 inline void* JKRGetResource(u32 node, const char* path, JKRArchive* archive) {
-    return JKRArchive::getGlbResource(node,path,archive);
+    return JKRArchive::getGlbResource(node, path, archive);
 }
 
 inline void* JKRGetTypeResource(u32 tag, const char* name, JKRArchive* arc) {
diff --git a/include/JSystem/JKernel/JKRFileLoader.h b/include/JSystem/JKernel/JKRFileLoader.h
index 42752bc241..b0e3250c03 100644
--- a/include/JSystem/JKernel/JKRFileLoader.h
+++ b/include/JSystem/JKernel/JKRFileLoader.h
@@ -55,7 +55,7 @@ public:
 };
 
 inline bool JKRDetachResource(void* resource, JKRFileLoader* fileLoader) {
-    return JKRFileLoader::detachResource(resource,fileLoader);
+    return JKRFileLoader::detachResource(resource, fileLoader);
 }
 
 inline void* JKRGetNameResource(const char* name, JKRFileLoader* loader) {
diff --git a/include/JSystem/JSupport/JSUMemoryStream.h b/include/JSystem/JSupport/JSUMemoryStream.h
index ca69f91472..aa8c84480f 100644
--- a/include/JSystem/JSupport/JSUMemoryStream.h
+++ b/include/JSystem/JSupport/JSUMemoryStream.h
@@ -6,9 +6,7 @@
 
 class JSUMemoryInputStream : JSURandomInputStream {
 public:
-    JSUMemoryInputStream(const void* res, u32 size) {
-        setBuffer(res, size);
-    }
+    JSUMemoryInputStream(const void* res, u32 size) { setBuffer(res, size); }
 
     /* 802552B8 */ ~JSUMemoryInputStream() {}
     /* 802DC520 */ void setBuffer(void const*, s32);
diff --git a/include/MSL_C/MSL_Common/Src/ansi_files.h b/include/MSL_C/MSL_Common/Src/ansi_files.h
index 684a827853..b16eccd5ef 100644
--- a/include/MSL_C/MSL_Common/Src/ansi_files.h
+++ b/include/MSL_C/MSL_Common/Src/ansi_files.h
@@ -1,39 +1,66 @@
 #ifndef MSL_COMMON_SRC_ANSI_FILES_H
 #define MSL_COMMON_SRC_ANSI_FILES_H
 
-#include "dolphin/types.h"
+enum __file_kinds {
+    /* 0x0 */ CLOSED_FILE,
+    /* 0x1 */ DISK_FILE,
+    /* 0x2 */ CONSOLE_FILE,
+    /* 0x3 */ UNAVAILABLE_FILE,
+};
+
+enum __file_orientation {
+    /* 0x0 */ UNORIENTED,
+    /* 0x1 */ CHAR_ORIENTED,
+    /* 0x2 */ WIDE_ORIENTED,
+};
+
+typedef struct _file_modes {
+    unsigned int open_mode : 2;
+    unsigned int io_mode : 3;
+    unsigned int buffer_mode : 2;
+    unsigned int file_kind : 3;
+    unsigned int file_orientation : 2;
+    unsigned int binary_io : 1;
+} file_modes;
 
-struct FILE {
-    /* 0x00 */ u32 handle;
-    /* 0x04 */ u32 file_mode;
-    /* 0x08 */ u32 file_state;
-    /* 0x0C */ u8 flag;
+typedef struct _file_states {
+    unsigned int io_state : 3;
+    unsigned int free_buffer : 1;
+    unsigned char eof;
+    unsigned char error;
+} file_states;
+
+typedef struct _FILE {
+    /* 0x00 */ unsigned int handle;
+    /* 0x04 */ file_modes file_mode;
+    /* 0x08 */ file_states file_state;
+    /* 0x0C */ unsigned char flag;
     /* 0x0D */ char char_buffer;
     /* 0x0E */ char char_buffer_2;
     /* 0x0F */ char ungetc_buffer[2];
-    /* 0x12 */ u16 ungetc_wide_buffer[2];
-    /* 0x18 */ u32 position;
-    /* 0x1C */ u8* buffer;
-    /* 0x20 */ u32 buffer_size;
-    /* 0x24 */ u8* buffer_ptr;
-    /* 0x28 */ u32 buffer_length;
-    /* 0x2C */ u32 buffer_alignment;
-    /* 0x30 */ u32 buffer_length2;
-    /* 0x34 */ u32 buffer_position;
+    /* 0x12 */ unsigned short ungetc_wide_buffer[2];
+    /* 0x18 */ unsigned int position;
+    /* 0x1C */ unsigned char* buffer;
+    /* 0x20 */ unsigned int buffer_size;
+    /* 0x24 */ unsigned char* buffer_ptr;
+    /* 0x28 */ unsigned int buffer_length;
+    /* 0x2C */ unsigned int buffer_alignment;
+    /* 0x30 */ unsigned int buffer_length2;
+    /* 0x34 */ unsigned int buffer_position;
     /* 0x38 */ void* position_fn;
     /* 0x3C */ void* read_fn;
     /* 0x40 */ void* write_fn;
     /* 0x44 */ void* close_fn;
     /* 0x48 */ void* unknown;
-    /* 0x4C */ struct FILE* next_file;
-};
+    /* 0x4C */ struct _FILE* next_file;
+} FILE;
 
-struct files {
+typedef struct _files {
     FILE stdin;
     FILE stdout;
     FILE stderr;
     FILE empty;
-};
+} files;
 
 extern files __files;
 
diff --git a/include/MSL_C/MSL_Common/Src/char_io.h b/include/MSL_C/MSL_Common/Src/char_io.h
index 7363bc22cd..4a6e04cce9 100644
--- a/include/MSL_C/MSL_Common/Src/char_io.h
+++ b/include/MSL_C/MSL_Common/Src/char_io.h
@@ -4,6 +4,14 @@
 #include "MSL_C/MSL_Common/Src/ansi_files.h"
 #include "dolphin/types.h"
 
-extern "C" int fputs(const char*, FILE*);
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int fputs(const char*, FILE*);
+
+#ifdef __cplusplus
+}
+#endif
 
 #endif /* MSL_COMMON_SRC_CHAR_IO_H */
diff --git a/include/MSL_C/MSL_Common/Src/ctype.h b/include/MSL_C/MSL_Common/Src/ctype.h
index f59c75d820..100460e708 100644
--- a/include/MSL_C/MSL_Common/Src/ctype.h
+++ b/include/MSL_C/MSL_Common/Src/ctype.h
@@ -3,8 +3,14 @@
 
 #include "dolphin/types.h"
 
+#ifdef __cplusplus
 extern "C" {
+#endif
+
 int tolower(int);
-};
+
+#ifdef __cplusplus
+}
+#endif
 
 #endif /* MSL_COMMON_SRC_CTYPE_H */
diff --git a/include/MSL_C/MSL_Common/Src/float.h b/include/MSL_C/MSL_Common/Src/float.h
index 9a39ae5743..a41c15e2f3 100644
--- a/include/MSL_C/MSL_Common/Src/float.h
+++ b/include/MSL_C/MSL_Common/Src/float.h
@@ -14,6 +14,7 @@
 
 #define fpclassify(x) ((sizeof(x) == sizeof(float)) ? __fpclassifyf(x) : __fpclassifyd(x))
 #define signbit(x) ((sizeof(x) == sizeof(float)) ? __signbitf(x) : __signbitd(x))
+#define isfinite(x) ((fpclassify(x) > 2))
 
 #define __signbitf(x) ((*(u8*)&(x)) & 0x80)
 
diff --git a/include/MSL_C/MSL_Common/Src/mem.h b/include/MSL_C/MSL_Common/Src/mem.h
index e47536e0b7..73edb308ee 100644
--- a/include/MSL_C/MSL_Common/Src/mem.h
+++ b/include/MSL_C/MSL_Common/Src/mem.h
@@ -3,6 +3,14 @@
 
 #include "dolphin/types.h"
 
-extern "C" int memcmp(const void*, const void*, size_t);
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int memcmp(const void*, const void*, size_t);
+
+#ifdef __cplusplus
+}
+#endif
 
 #endif /* MSL_COMMON_SRC_MEM_H */
diff --git a/include/MSL_C/MSL_Common/Src/printf.h b/include/MSL_C/MSL_Common/Src/printf.h
index 206517c803..e8cfdf2814 100644
--- a/include/MSL_C/MSL_Common/Src/printf.h
+++ b/include/MSL_C/MSL_Common/Src/printf.h
@@ -4,10 +4,18 @@
 #include "Runtime.PPCEABI.H/__va_arg.h"
 #include "dolphin/types.h"
 
-extern "C" size_t sprintf(const char*, const char*, ...);
-extern "C" size_t snprintf(const char*, size_t, const char*, ...);
-extern "C" size_t vsnprintf(char*, size_t, const char*, va_list);
-extern "C" size_t vprintf(const char*, va_list);
-extern "C" size_t printf(const char*, ...);
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+size_t sprintf(const char*, const char*, ...);
+size_t snprintf(const char*, size_t, const char*, ...);
+size_t vsnprintf(char*, size_t, const char*, va_list);
+size_t vprintf(const char*, va_list);
+size_t printf(const char*, ...);
+
+#ifdef __cplusplus
+}
+#endif
 
 #endif /* MSL_COMMON_SRC_PRINTF_H */
diff --git a/include/MSL_C/MSL_Common/Src/string.h b/include/MSL_C/MSL_Common/Src/string.h
index 38c7f3e7ea..c70f319597 100644
--- a/include/MSL_C/MSL_Common/Src/string.h
+++ b/include/MSL_C/MSL_Common/Src/string.h
@@ -3,8 +3,11 @@
 
 #include "dolphin/types.h"
 
+#ifdef __cplusplus
 extern "C" {
-void* memcpy(void*, const void*, s32);
+#endif
+
+void* memcpy(void*, const void*, size_t);
 void* memset(void*, int, u32);
 char* strrchr(const char*, int);
 char* strchr(const char*, int);
@@ -16,6 +19,9 @@ char* strcpy(char*, const char*);
 u32 strlen(const char*);
 
 int stricmp(const char*, const char*);
-};
+
+#ifdef __cplusplus
+}
+#endif
 
 #endif /* MSL_COMMON_SRC_STRING_H */
diff --git a/include/MSL_C/math.h b/include/MSL_C/math.h
index 0de55c166d..478829c1f5 100644
--- a/include/MSL_C/math.h
+++ b/include/MSL_C/math.h
@@ -4,57 +4,60 @@
 #include "MSL_C/MSL_Common/Src/float.h"
 #include "dolphin/types.h"
 
+#ifdef __cplusplus
 extern "C" {
-s32 abs(s32);
-f64 acos(f64);
-f32 acosf(f32);
-f64 asin(f64);
-f64 atan(f64);
-f64 atan2(f64);
-f64 ceil(f64);
-f64 copysign(f64, f64);
-f64 cos(f64);
-f32 cosf(f32);
-f64 exp(f64);
+#endif
+
+int abs(int);
+double acos(double);
+float acosf(float);
+double asin(double);
+double atan(double);
+double atan2(double, double);
+double ceil(double);
+double copysign(double, double);
+double cos(double);
+float cosf(float);
+double exp(double);
 
-extern f32 __fabsf(f32);
-inline f64 fabs(f64 f) {
+extern float __fabsf(float);
+inline double fabs(double f) {
     return __fabsf(f);
 }
-inline f64 fabsf2(f32 f) {
+inline double fabsf2(float f) {
     return __fabsf(f);
 }
-inline f32 fabsf(f32 f) {
+inline float fabsf(float f) {
     return fabsf2(f);
 }
 
-f64 floor(f64);
-f64 fmod(f64, f64);
-inline f32 fmodf(f32 f1, f32 f2) {
+double floor(double);
+double fmod(double, double);
+inline float fmodf(float f1, float f2) {
     return fmod(f1, f2);
 }
 
-f64 frexp(f64, s32*);
-f64 ldexp(f64, s32);
-f64 modf(f64, f64*);
-f64 pow(f64, f64);
-f64 sin(f64);
-f32 sinf(f32);
-f64 sqrt(f64);
-f64 tan(f64);
-f32 tanf(f32);
+double frexp(double, int*);
+double ldexp(double, int);
+double modf(double, double*);
+double pow(double, double);
+double sin(double);
+float sinf(float);
+double sqrt(double);
+double tan(double);
+float tanf(float);
 
-extern f32 __float_nan[4];
-extern f32 __float_epsilon[4];
-extern f32 __float_max[4];
+extern float __float_nan[4];
+extern float __float_epsilon[4];
+extern float __float_max[4];
 
-inline f64 sqrt_step(f64 tmpd, f32 mag) {
+inline double sqrt_step(double tmpd, float mag) {
     return tmpd * 0.5 * (3.0 - mag * (tmpd * tmpd));
 }
 
-inline f32 sqrtf(f32 mag) {
+inline float sqrtf(float mag) {
     if (mag > 0.0f) {
-        f64 tmpd = __frsqrte(mag);
+        double tmpd = __frsqrte(mag);
         tmpd = sqrt_step(tmpd, mag);
         tmpd = sqrt_step(tmpd, mag);
         tmpd = sqrt_step(tmpd, mag);
@@ -67,6 +70,9 @@ inline f32 sqrtf(f32 mag) {
         return mag;
     }
 }
-}
+
+#ifdef __cplusplus
+};
+#endif
 
 #endif
diff --git a/include/Runtime.PPCEABI.H/__va_arg.h b/include/Runtime.PPCEABI.H/__va_arg.h
index 2091ed6fb8..f4ff105d98 100644
--- a/include/Runtime.PPCEABI.H/__va_arg.h
+++ b/include/Runtime.PPCEABI.H/__va_arg.h
@@ -3,15 +3,21 @@
 
 #include "dolphin/types.h"
 
-// not sure what the members are.
-// OK when the struct is 12 bytes.
 typedef struct __va_list_struct {
-    u8 data[12];
-};
+    char gpr;
+    char fpr;
+    char reserved[2];
+    char* input_arg_area;
+    char* reg_save_area;
+} _va_list_struct;
 
-typedef __va_list_struct __va_list[1];
+typedef _va_list_struct __va_list[1];
 
+#ifdef __cplusplus
 extern "C" void __va_arg(void*, int);
+#else
+void __va_arg(void*, int);
+#endif
 
 #if IN_VSCODE_EDITOR
 #define __builtin_va_info(...)
diff --git a/include/dol2asm.h b/include/dol2asm.h
index 928a022448..039cf0054c 100644
--- a/include/dol2asm.h
+++ b/include/dol2asm.h
@@ -3,6 +3,8 @@
 
 // this helps remove useless error from the linter when using vscode.
 #ifndef IN_VSCODE_EDITOR
+
+#ifdef __cplusplus
 #define SECTION_INIT extern "C" __declspec(section ".init")
 #define SECTION_RODATA __declspec(section ".rodata")
 #define SECTION_DATA __declspec(section ".data")
@@ -24,6 +26,29 @@
 #define ALIGN_DECL(ALIGNMENT) __attribute__((aligned(ALIGNMENT)))
 #define REGISTER_CTORS(ADDR, FUNCTION) SECTION_CTORS void* const _ctors_##ADDR = (void*)(FUNCTION);
 #else
+#define SECTION_INIT __declspec(section ".init")
+#define SECTION_RODATA __declspec(section ".rodata")
+#define SECTION_DATA __declspec(section ".data")
+#define SECTION_SDATA __declspec(section ".sdata")
+#define SECTION_SDATA2 __declspec(section ".sdata2")
+#define SECTION_BSS __declspec(section ".data")
+#define SECTION_SBSS __declspec(section ".sdata")
+#define SECTION_SBSS2 __declspec(section ".sdata2")
+#define SECTION_CTORS __declspec(section ".ctors")
+#define SECTION_DTORS __declspec(section ".dtors")
+#define SECTION_EXTAB __declspec(section "extab_")
+#define SECTION_EXTABINDEX __declspec(section "extabindex_")
+#define SECTION_DEAD __declspec(section ".dead")
+#define SECTION_CTORS10 __declspec(section ".ctors$10")
+#define SECTION_CTORS15 __declspec(section ".ctors$15")
+#define SECTION_DTORS10 __declspec(section ".dtors$10")
+#define SECTION_DTORS15 __declspec(section ".dtors$15")
+#define COMPILER_STRIP_GATE(NAME, VALUE) SECTION_DEAD void* const cg_##NAME = (void*)(VALUE)
+#define ALIGN_DECL(ALIGNMENT) __attribute__((aligned(ALIGNMENT)))
+#define REGISTER_CTORS(ADDR, FUNCTION) SECTION_CTORS void* const _ctors_##ADDR = (void*)(FUNCTION);
+#endif
+
+#else
 #define SECTION_INIT
 #define SECTION_RODATA
 #define SECTION_DATA
diff --git a/include/MSL_C/MSL_Common/Src/errno.h b/include/errno.h
index 4e3eb9a430..c7569bf20d 100644
--- a/include/MSL_C/MSL_Common/Src/errno.h
+++ b/include/errno.h
@@ -1,6 +1,6 @@
 #ifndef MSL_COMMON_SRC_ERRNO_H
 #define MSL_COMMON_SRC_ERRNO_H
 
-#include "dolphin/types.h"
+extern int errno;
 
 #endif /* MSL_COMMON_SRC_ERRNO_H */
diff --git a/include/fdlibm.h b/include/fdlibm.h
new file mode 100644
index 0000000000..9ad06deb19
--- /dev/null
+++ b/include/fdlibm.h
@@ -0,0 +1,228 @@
+#ifndef FDLIBM_H
+#define FDLIBM_H
+
+/* @(#)fdlibm.h 1.5 04/04/22 */
+/*
+ * ====================================================
+ * Copyright (C) 2004 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Sometimes it's necessary to define __LITTLE_ENDIAN explicitly
+   but these catch some common cases. */
+
+#if defined(i386) || defined(i486) || defined(intel) || defined(x86) || defined(i86pc) ||          \
+    defined(__alpha) || defined(__osf__)
+#define __LITTLE_ENDIAN
+#endif
+
+#ifdef __LITTLE_ENDIAN
+#define __HI(x) *(1 + (int*)&x)
+#define __LO(x) *(int*)&x
+#define __HIp(x) *(1 + (int*)x)
+#define __LOp(x) *(int*)x
+#else
+#define __HI(x) *(int*)&x
+#define __LO(x) *(1 + (int*)&x)
+#define __HIp(x) *(int*)x
+#define __LOp(x) *(1 + (int*)x)
+#endif
+
+// TODO: should __STDC__ actually be defined?
+//#ifdef __STDC__
+#define __P(p) p
+//#else
+//#define __P(p) ()
+//#endif
+
+/*
+ * ANSI/POSIX
+ */
+
+extern int signgam;
+
+#define MAXFLOAT ((float)3.40282346638528860e+38)
+
+enum fdversion { fdlibm_ieee = -1, fdlibm_svid, fdlibm_xopen, fdlibm_posix };
+
+#define _LIB_VERSION_TYPE enum fdversion
+#define _LIB_VERSION _fdlib_version
+
+/* if global variable _LIB_VERSION is not desirable, one may
+ * change the following to be a constant by:
+ *	#define _LIB_VERSION_TYPE const enum version
+ * In that case, after one initializes the value _LIB_VERSION (see
+ * s_lib_version.c) during compile time, it cannot be modified
+ * in the middle of a program
+ */
+extern _LIB_VERSION_TYPE _LIB_VERSION;
+
+#define _IEEE_ fdlibm_ieee
+#define _SVID_ fdlibm_svid
+#define _XOPEN_ fdlibm_xopen
+#define _POSIX_ fdlibm_posix
+
+struct exception {
+    int type;
+    char* name;
+    double arg1;
+    double arg2;
+    double retval;
+};
+
+#define HUGE MAXFLOAT
+
+/*
+ * set X_TLOSS = pi*2**52, which is possibly defined in <values.h>
+ * (one may replace the following line by "#include <values.h>")
+ */
+
+#define X_TLOSS 1.41484755040568800000e+16
+
+#define DOMAIN 1
+#define SING 2
+#define OVERFLOW 3
+#define UNDERFLOW 4
+#define TLOSS 5
+#define PLOSS 6
+
+/*
+ * ANSI/POSIX
+ */
+extern double acos __P((double));
+extern double asin __P((double));
+extern double atan __P((double));
+extern double atan2 __P((double, double));
+extern double cos __P((double));
+extern double sin __P((double));
+extern double tan __P((double));
+
+extern double cosh __P((double));
+extern double sinh __P((double));
+extern double tanh __P((double));
+
+extern double exp __P((double));
+extern double frexp __P((double, int*));
+extern double ldexp __P((double, int));
+extern double log __P((double));
+extern double log10 __P((double));
+extern double modf __P((double, double*));
+
+extern double pow __P((double, double));
+extern double sqrt __P((double));
+
+extern double ceil __P((double));
+extern double fabs __P((double));
+extern double floor __P((double));
+extern double fmod __P((double, double));
+
+extern double erf __P((double));
+extern double erfc __P((double));
+extern double gamma __P((double));
+extern double hypot __P((double, double));
+extern int isnan __P((double));
+extern int finite __P((double));
+extern double j0 __P((double));
+extern double j1 __P((double));
+extern double jn __P((int, double));
+extern double lgamma __P((double));
+extern double y0 __P((double));
+extern double y1 __P((double));
+extern double yn __P((int, double));
+
+extern double acosh __P((double));
+extern double asinh __P((double));
+extern double atanh __P((double));
+extern double cbrt __P((double));
+extern double logb __P((double));
+extern double nextafter __P((double, double));
+extern double remainder __P((double, double));
+#ifdef _SCALB_INT
+extern double scalb __P((double, int));
+#else
+extern double scalb __P((double, double));
+#endif
+
+extern int matherr __P((struct exception*));
+
+/*
+ * IEEE Test Vector
+ */
+extern double significand __P((double));
+
+/*
+ * Functions callable from C, intended to support IEEE arithmetic.
+ */
+extern double copysign __P((double, double));
+extern int ilogb __P((double));
+extern double rint __P((double));
+extern double scalbn __P((double, int));
+
+/*
+ * BSD math library entry points
+ */
+extern double expm1 __P((double));
+extern double log1p __P((double));
+
+/*
+ * Reentrant version of gamma & lgamma; passes signgam back by reference
+ * as the second argument; user must allocate space for signgam.
+ */
+#ifdef _REENTRANT
+extern double gamma_r __P((double, int*));
+extern double lgamma_r __P((double, int*));
+#endif /* _REENTRANT */
+
+/* ieee style elementary functions */
+extern double __ieee754_sqrt __P((double));
+extern double __ieee754_acos __P((double));
+extern double __ieee754_acosh __P((double));
+extern double __ieee754_log __P((double));
+extern double __ieee754_atanh __P((double));
+extern double __ieee754_asin __P((double));
+extern double __ieee754_atan2 __P((double, double));
+extern double __ieee754_exp __P((double));
+extern double __ieee754_cosh __P((double));
+extern double __ieee754_fmod __P((double, double));
+extern double __ieee754_pow __P((double, double));
+extern double __ieee754_lgamma_r __P((double, int*));
+extern double __ieee754_gamma_r __P((double, int*));
+extern double __ieee754_lgamma __P((double));
+extern double __ieee754_gamma __P((double));
+extern double __ieee754_log10 __P((double));
+extern double __ieee754_sinh __P((double));
+extern double __ieee754_hypot __P((double, double));
+extern double __ieee754_j0 __P((double));
+extern double __ieee754_j1 __P((double));
+extern double __ieee754_y0 __P((double));
+extern double __ieee754_y1 __P((double));
+extern double __ieee754_jn __P((int, double));
+extern double __ieee754_yn __P((int, double));
+extern double __ieee754_remainder __P((double, double));
+extern int __ieee754_rem_pio2 __P((double, double*));
+#ifdef _SCALB_INT
+extern double __ieee754_scalb __P((double, int));
+#else
+extern double __ieee754_scalb __P((double, double));
+#endif
+
+/* fdlibm kernel function */
+extern double __kernel_standard __P((double, double, int));
+extern double __kernel_sin __P((double, double, int));
+extern double __kernel_cos __P((double, double));
+extern double __kernel_tan __P((double, double, int));
+extern int __kernel_rem_pio2 __P((double*, double*, int, int, int, const int*));
+
+#ifdef __cplusplus
+};
+#endif
+
+#endif /* FDLIBM_H */
\ No newline at end of file