diff --git a/hio/lib/hio-utl.h b/hio/lib/hio-utl.h
index 13796e9..0ebb450 100644
--- a/hio/lib/hio-utl.h
+++ b/hio/lib/hio-utl.h
@@ -641,243 +641,4 @@ HIO_EXPORT void hio_sip_hash_24 (
 	hio_uint8_t         out[8]
 );
 
-#if defined(__cplusplus)
-}
-#endif
-
-/* Some C++ utilities below */
-#if defined(__cplusplus)
-
-/*
-static inline bool is_space (char c) { return isspace(c); }
-static inline bool is_wspace (wchar_t c) { return iswspace(c); }
-unsigned x = hio_chars_to_uint<char,unsigned,is_space>("0x12345", 7, 0, NULL, NULL);
-unsigned y = hio_chars_to_uint<wchar_t,unsigned,is_wspace>(L"0x12345", 7, 0, NULL, NULL);
-int a = hio_chars_to_int<char,int,is_space>("-0x12345", 8, 0, NULL, NULL);
-int b = hio_chars_to_int<wchar_t,int,is_wspace>(L"-0x12345", 8, 0, NULL, NULL);
-*/
-template<typename CHAR_TYPE, typename INT_TYPE, bool(*IS_SPACE)(CHAR_TYPE)>INT_TYPE hio_chars_to_int (const CHAR_TYPE* str, hio_oow_t len, int option, const CHAR_TYPE** endptr, int* is_sober)
-{
-	INT_TYPE n = 0;
-	const CHAR_TYPE* p, * pp;
-	const CHAR_TYPE* end;
-	hio_oow_t rem;
-	int digit, negative = 0;
-	int base = HIO_CHARS_TO_INT_GET_OPTION_BASE(option);
-
-	p = str; 
-	end = str + len;
-
-	if (HIO_CHARS_TO_INT_GET_OPTION_LTRIM(option))
-	{
-		/* strip off leading spaces */
-		while (p < end && IS_SPACE(*p)) p++;
-	}
-
-	/* check for a sign */
-	while (p < end)
-	{
-		if (*p == '-') 
-		{
-			negative = ~negative;
-			p++;
-		}
-		else if (*p == '+') p++;
-		else break;
-	}
-
-	/* check for a binary/octal/hexadecimal notation */
-	rem = end - p;
-	if (base == 0) 
-	{
-		if (rem >= 1 && *p == '0') 
-		{
-			p++;
-
-			if (rem == 1) base = 8;
-			else if (*p == 'x' || *p == 'X')
-			{
-				p++; base = 16;
-			} 
-			else if (*p == 'b' || *p == 'B')
-			{
-				p++; base = 2;
-			}
-			else base = 8;
-		}
-		else base = 10;
-	} 
-	else if (rem >= 2 && base == 16)
-	{
-		if (*p == '0' && (*(p + 1) == 'x' || *(p + 1) == 'X')) p += 2; 
-	}
-	else if (rem >= 2 && base == 2)
-	{
-		if (*p == '0' && (*(p + 1) == 'b' || *(p + 1) == 'B')) p += 2; 
-	}
-
-	/* process the digits */
-	pp = p;
-	while (p < end)
-	{
-		digit = HIO_ZDIGIT_TO_NUM(*p, base);
-		if (digit >= base) break;
-		n = n * base + digit;
-		p++;
-	}
-
-	if (HIO_CHARS_TO_INT_GET_OPTION_E(option))
-	{
-		if (*p == 'E' || *p == 'e')
-		{
-			INT_TYPE e = 0, i;
-			int e_neg = 0;
-			p++;
-			if (*p == '+')
-			{
-				p++;
-			}
-			else if (*p == '-')
-			{
-				p++; e_neg = 1;
-			}
-			while (p < end)
-			{
-				digit = HIO_ZDIGIT_TO_NUM(*p, base);
-				if (digit >= base) break;
-				e = e * base + digit;
-				p++;
-			}
-			if (e_neg)
-				for (i = 0; i < e; i++) n /= 10;
-			else
-				for (i = 0; i < e; i++) n *= 10;
-		}
-	}
-
-	/* base 8: at least a zero digit has been seen.
-	 * other case: p > pp to be able to have at least 1 meaningful digit. */
-	if (is_sober) *is_sober = (base == 8 || p > pp); 
-
-	if (HIO_CHARS_TO_INT_GET_OPTION_RTRIM(option))
-	{
-		/* consume trailing spaces */
-		while (p < end && IS_SPACE(*p)) p++;
-	}
-
-	if (endptr) *endptr = p;
-	return (negative)? -n: n;
-}
-
-template<typename CHAR_TYPE, typename UINT_TYPE, bool(*IS_SPACE)(CHAR_TYPE)>UINT_TYPE hio_chars_to_uint (const CHAR_TYPE* str, hio_oow_t len, int option, const CHAR_TYPE** endptr, int* is_sober)
-{
-	UINT_TYPE n = 0;
-	const CHAR_TYPE* p, * pp;
-	const CHAR_TYPE* end;
-	hio_oow_t rem;
-	int digit;
-	int base = HIO_CHARS_TO_UINT_GET_OPTION_BASE(option);
-
-	p = str; 
-	end = str + len;
-
-	if (HIO_CHARS_TO_UINT_GET_OPTION_LTRIM(option))
-	{
-		/* strip off leading spaces */
-		while (p < end && IS_SPACE(*p)) p++;
-	}
-
-	/* check for a sign */
-	while (p < end)
-	{
-		if (*p == '+') p++;
-		else break;
-	}
-
-	/* check for a binary/octal/hexadecimal notation */
-	rem = end - p;
-	if (base == 0) 
-	{
-		if (rem >= 1 && *p == '0') 
-		{
-			p++;
-
-			if (rem == 1) base = 8;
-			else if (*p == 'x' || *p == 'X')
-			{
-				p++; base = 16;
-			} 
-			else if (*p == 'b' || *p == 'B')
-			{
-				p++; base = 2;
-			}
-			else base = 8;
-		}
-		else base = 10;
-	} 
-	else if (rem >= 2 && base == 16)
-	{
-		if (*p == '0' && (*(p + 1) == 'x' || *(p + 1) == 'X')) p += 2; 
-	}
-	else if (rem >= 2 && base == 2)
-	{
-		if (*p == '0' && (*(p + 1) == 'b' || *(p + 1) == 'B')) p += 2; 
-	}
-
-	/* process the digits */
-	pp = p;
-	while (p < end)
-	{
-		digit = HIO_ZDIGIT_TO_NUM(*p, base);
-		if (digit >= base) break;
-		n = n * base + digit;
-		p++;
-	}
-
-	if (HIO_CHARS_TO_UINT_GET_OPTION_E(option))
-	{
-		if (*p == 'E' || *p == 'e')
-		{
-			UINT_TYPE e = 0, i;
-			int e_neg = 0;
-			p++;
-			if (*p == '+')
-			{
-				p++;
-			}
-			else if (*p == '-')
-			{
-				p++; e_neg = 1;
-			}
-			while (p < end)
-			{
-				digit = HIO_ZDIGIT_TO_NUM(*p, base);
-				if (digit >= base) break;
-				e = e * base + digit;
-				p++;
-			}
-			if (e_neg)
-				for (i = 0; i < e; i++) n /= 10;
-			else
-				for (i = 0; i < e; i++) n *= 10;
-		}
-	}
-
-	/* base 8: at least a zero digit has been seen.
-	 * other case: p > pp to be able to have at least 1 meaningful digit. */
-	if (is_sober) *is_sober = (base == 8 || p > pp); 
-
-	if (HIO_CHARS_TO_UINT_GET_OPTION_RTRIM(option))
-	{
-		/* consume trailing spaces */
-		while (p < end && IS_SPACE(*p)) p++;
-	}
-
-	if (endptr) *endptr = p;
-	return n;
-}
-
-
-#endif
-
 #endif