Organize `libc` and `libm` files (#1499)

* memmove

* strcpy

* strcmp

* memset

* fmodf

* fix some missing includes

* Remove libc header dependencies on libultra

* fix

* review

5 files changed, 0 insertions, 74 deletions

diff --git a/src/boot/O2/__osMemcpy.c b/src/boot/O2/__osMemcpy.c
deleted file mode 100644
index 2e25b23f0..000000000
--- a/src/boot/O2/__osMemcpy.c
+++ /dev/null
@@ -1,23 +0,0 @@
-#include "global.h"
-
-void* __osMemcpy(void* dst, void* src, size_t size) {
-    u8* _dst = dst;
-    u8* _src = src;
-    register s32 rem;
-
-    if (_dst == _src) {
-        return dst;
-    }
-    if (_dst < _src) {
-        for (rem = size--; rem != 0; rem = size--) {
-            *_dst++ = *_src++;
-        }
-    } else {
-        _dst += size - 1;
-        _src += size - 1;
-        for (rem = size--; rem != 0; rem = size--) {
-            *_dst-- = *_src--;
-        }
-    }
-    return dst;
-}
diff --git a/src/boot/O2/__osMemset.c b/src/boot/O2/__osMemset.c
deleted file mode 100644
index 0c4172e9f..000000000
--- a/src/boot/O2/__osMemset.c
+++ /dev/null
@@ -1,11 +0,0 @@
-#include "global.h"
-
-void* __osMemset(void* ptr, s32 val, size_t size) {
-    u8* dst = ptr;
-    register s32 rem;
-
-    for (rem = size--; rem != 0; rem = size--) {
-        *dst++ = val;
-    }
-    return ptr;
-}
diff --git a/src/boot/O2/__osStrcmp.c b/src/boot/O2/__osStrcmp.c
deleted file mode 100644
index 10bd2fa92..000000000
--- a/src/boot/O2/__osStrcmp.c
+++ /dev/null
@@ -1,16 +0,0 @@
-#include "global.h"
-
-s32 __osStrcmp(const char* str1, const char* str2) {
-    char c1;
-    char c2;
-
-    do {
-        c1 = *str1++;
-        c2 = *str2++;
-        if (c1 != c2) {
-            return c1 - c2;
-        }
-    } while (c1);
-
-    return 0;
-}
diff --git a/src/boot/O2/__osStrcpy.c b/src/boot/O2/__osStrcpy.c
deleted file mode 100644
index 86a98a804..000000000
--- a/src/boot/O2/__osStrcpy.c
+++ /dev/null
@@ -1,12 +0,0 @@
-#include "global.h"
-
-char* __osStrcpy(char* dst, const char* src) {
-    char* _dst = dst;
-
-    while (*src != '\0') {
-        *_dst++ = *src++;
-    }
-    *_dst = '\0';
-
-    return dst;
-}
diff --git a/src/boot/O2/fmodf.c b/src/boot/O2/fmodf.c
deleted file mode 100644
index 2f8aa74bf..000000000
--- a/src/boot/O2/fmodf.c
+++ /dev/null
@@ -1,12 +0,0 @@
-#include "global.h"
-
-f32 fmodf(f32 dividend, f32 divisor) {
-    s32 quotient;
-
-    if (divisor == 0.0f) {
-        return 0.0f;
-    }
-    quotient = dividend / divisor;
-
-    return dividend - quotient * divisor;
-}