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

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 */