[Dev-C++] 'string' was not declared in this scope

[Flavio de S. <fla...@ya...>]

I am trying to compile my program and I got an error:

'string' was not declared in this scope

Even if I put in the file #include <string>

What is happing?

See following my file header:

#ifndef    MAX_REPLY_LENGTH
#define    MAX_REPLY_LENGTH 512
#endif

#ifndef    CRLF
#define    CRLF \r\n
#endif

#ifndef    MAX_COMMAND_LENGTH
#define    MAX_COMMAND_LENGTH 64
#endif

#ifndef    MAX_RECEIPT_BUFFER_SIZE
#define    MAX_RECEIPT_BUFFER_SIZE 8192
#endif


//The stat command reply informs the number of messages and the size of
mailbox
#ifndef    NUMBER_OF_STAT_REPLY_WORDS
#define    NUMBER_OF_STAT_REPLY_WORDS 3 //The reply to STAT command will
give 3 words only
#endif

#ifndef    POP3_h
#define    POP3_h
#include   <string>
#include   "SocketConnection.h"    //Maybe can occur errors here.

class POP
{
    public:
        POP();

        virtual ~POP();

        //--------------------------------
        // POP Commands - AUTHORIZATION
        //--------------------------------
        int sendUser ();
        int sendPASS ();
        int sendQUIT ();

        //--------------------------------
        // POP Commands - TRANSACTION
        //--------------------------------
        int sendSTAT ();
        int sendLIST ();
        int sendLIST ( unsigned int Msg );
        int sendRETR ( unsigned int Msg );
        int sendDELE ( unsigned int Msg );
        int sendNOOP ();
        int sendRSET ();


        //--------------------------------
        // Optional POP3 Commands
        //--------------------------------

        int sendAPOP ( unsigned int Msg );  //valid in the AUTHORIZATION
state
        int sendTOP  ( unsigned int Msg );  //valid in the TRANSACTION state
        int sendUIDL ();                    //valid in the TRANSACTION state

        /*
          Note that with the exception of the STAT, LIST, and UIDL commands,
          the reply given by the POP3 server to any command is significant
          only to "+OK" and "-ERR".  Any text occurring after this reply
          may be ignored by the client.
        */

       int    setPort       ( int Port = 110 );
       int    setServerHost ( string ServerHost );
       int    setTimeOut    ( unsigned int TimeOut = 30);
       int    setUserName   ( string User );
       int    setPassword   ( string Password);

       int          getPortNumber();
       string       getServerHostName();
       unsigned int getTimeOut ();
       string       getHostReply();

       unsigned int getMailboxSize();
       unsigned int getTotalMessages();
       unsigned int getCurrentMessageSize();
       unsigned int getCurrentMessageNumber();

    private:

       SocketConnection  _connection;   //Socket object to stabilish
connection
       bool              _connectionUp; //Inform if connection is still Ok
       string            _receiverBuffer;//Receive reply from POP server
       int               _port;
       string            _serverHost;
       string            _user;
       string            _password;
       unsigned int      _timeOut;      //Max waiting time in miliseconds
       unsigned int      _statusIndicator; //It holds 1 if response is "+OK"
and 0 if response is "-ERR"
       unsigned int      _totalOfMessages; //Holds the total of messages in
one session to download.
       unsigned int      _sizeOfMailbox; //Holds the size of the mailbox
       unsigned int      _sizeCurrentMessage;
       unsigned int      _currentMessage;


       int               _connect();    //Method that connects the socket
       int               _sendCommand( const char *Command );  //Send POP
command

};


#endif // POP3_h


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