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deleted file mode 100644
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@@ -1,196 +0,0 @@
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diff --git a/libs/base64rvv b/libs/base64rvv
deleted file mode 160000
index 2291f93..0000000
--- a/libs/base64rvv
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 2291f937f4bf0ec54dc9334e9b8607c9576a6330
diff --git a/src/A.Hristov/ahristov.h b/src/A.Hristov/ahristov.h
index b75103b..27eaca9 100644
--- a/src/A.Hristov/ahristov.h
+++ b/src/A.Hristov/ahristov.h
@@ -1,4 +1,5 @@
 #include <string>
+#include <cstdint>
 /**
  * Given a string, this function will encode it in 64b (with padding)
  */
@@ -7,4 +8,4 @@ std::string encodeBase64(const std::string& binaryText);
 /**
  * Given a 64b padding-encoded string, this function will decode it.
  */
-std::string decodeBase64(const std::string& base64Text);
\ No newline at end of file
+std::string decodeBase64(const std::string& base64Text);
diff --git a/src/omnifarious/omnifarious.h b/src/omnifarious/omnifarious.h
index a2d0380..5b671a7 100644
--- a/src/omnifarious/omnifarious.h
+++ b/src/omnifarious/omnifarious.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <string>
+#include <cstdint>
 ::std::string base64_encode(const ::std::string &bindata);
 ::std::string base64_encode(const char *bytes, size_t length);
 ::std::string base64_decode(const ::std::string &ascdata);
diff --git a/src/user152949/user152949.h b/src/user152949/user152949.h
index 3183044..21e85a5 100644
--- a/src/user152949/user152949.h
+++ b/src/user152949/user152949.h
@@ -10,7 +10,7 @@ class CBase64
 	static inline const char encodeCharacterTable[65] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
 
 	/** Static Base64 character decoding lookup table */
-	static inline const int decodeCharacterTable[256] = {
+	static inline const signed char decodeCharacterTable[256] = {
 	-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
 	,-1,62,-1,-1,-1,63,52,53,54,55,56,57,58,59,60,61,-1,-1,-1,-1,-1,-1,-1,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21
 	,22,23,24,25,-1,-1,-1,-1,-1,-1,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,-1,-1,-1,-1,-1,