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PORedo char is undeclared yet it is declared
 

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  1. PORedo char is undeclared yet it is declared
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    <p>I'm getting a error with redo char (in bold) on main.cpp when I obviously declare it above. I also would like to know why its asking me to put a semicolon in front of using namespace std since I've never done that before.</p> <pre><code>//ReverseString.h #include &lt;iostream&gt; #include &lt;string&gt; using namespace std; class StringClass { public: string string; int GetStringLength (char*); void Reverse(char*); void OutputString(char*); void UserInputString (char*); StringClass(); private: int Length; } //StringClass.cpp #include &lt;iostream&gt; #include &lt;string&gt; #include "ReverseString.h" ;using namespace std; void StringClass::UserInputString(char *string) { cout &lt;&lt; "Input a string you would like to be reversed.\n"; cin &gt;&gt; string; cout &lt;&lt; "The string you entered: " &lt;&lt; string &lt;&lt; endl; } int StringClass::GetStringLength (char *string) { Length = strlen(string); return Length; } void StringClass::Reverse(char *string) { int c; char *front, *rear, temp; front = string; rear = string; GetStringLength(string); for ( c = 0 ; c &lt; ( Length - 1 ) ; c++ ) rear++; for ( c = 0 ; c &lt; Length/2 ; c++ ) { temp = *rear; *rear = *front; *front = temp; front++; rear--; } } void StringClass::OutputString(char *string) { cout &lt;&lt; "Your string reversed is: " &lt;&lt; string &lt;&lt; "."; } //Main.cpp #include &lt;iostream&gt; #include &lt;string&gt; #include &lt;fstream&gt; #include "ReverseString.h" ;using namespace std; const int MaxSize = 100; int main() { do { char string[MaxSize]; **char redo;** StringClass str; str.UserInputString(string); str.Reverse(string); str.OutputString(string); //Asks user if they want redo the program cout &lt;&lt; "Would you like to redo the program?\n"; cout &lt;&lt; "Please enter Y or N: \n"; **cin &gt;&gt; redo;** }while(redo == 'Y' || redo == 'y'); } </code></pre> <p>It's really confusing of why its declaring it but giving an error that it isn't declared.</p>
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    1. COYou're asking for buffer overflows with that input function. And the semicolon doesn't go before the using directive. It goes after what's before that in the code (keeping in mind #includes are copy-pasted).
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    2. COHow can I restrict buffer overflows in the input? @chris
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    3. COJust input a `std::string` instead of a `char *`.
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