Stylefixes as pointed out by Axel and some minor changes possible in cpp.

No functional change.

src/system/libroot/posix/string/strlen.cpp

@@ -17,20 +17,22 @@ size_t
 strlen(const char* string)
 {
 	size_t length = 0;
-	uint32* valuePointer;
 
 	/* Align access for four byte reads */
-	for (; (((addr_t)string + length) & 3) != 0; length++)
+	for (; (((addr_t)string + length) & 3) != 0; length++) {
 		if (string[length] == '\0')
 			return length;
+	}
 
 	/* Check four bytes for zero char */
-	for (valuePointer = (uint32*)(string + length);
+	uint32* valuePointer = (uint32*)(string + length);
-		LACKS_ZERO_BYTE(*valuePointer); valuePointer++);
+	for (; LACKS_ZERO_BYTE(*valuePointer); valuePointer++)
+		;
 
 	/* Find the exact length */
 	for (length = ((char*)valuePointer) - string; string[length] != '\0';
-		length++);
+		length++)
+		;
 
 	return length;
 }

src/system/libroot/posix/string/strnlen.cpp

@@ -17,23 +17,23 @@ size_t
 strnlen(const char* string, size_t count)
 {
 	size_t length = 0;
-	uint32* valuePointer;
-	uint32* maxScanPosition;
-
 	/* Align access for four byte reads */
-	for (; (((addr_t)string + length) & 3) != 0; length++)
+	for (; (((addr_t)string + length) & 3) != 0; length++) {
 		if (length == count || string[length] == '\0')
 			return length;
+	}
 
 	/* Check four bytes for zero char */
-	maxScanPosition = (uint32*)(string + count - 4);
+	const uint32* kMaxScanPosition = (uint32*)(string + count - 4);
-	for (valuePointer = (uint32*)(string + length);
+	uint32* valuePointer = (uint32*)(string + length);
-		valuePointer <= maxScanPosition && LACKS_ZERO_BYTE(*valuePointer);
+	for (; valuePointer <= kMaxScanPosition && LACKS_ZERO_BYTE(*valuePointer);
-		valuePointer++);
+		valuePointer++)
+		;
 
 	/* Find the exact length */
 	for (length = ((char*)valuePointer) - string; length < count
-		&& string[length] != '\0'; length++);
+		&& string[length] != '\0'; length++)
+		;
 
 	return length;
 }