Returns input position indicator of the current associatedstreambuf object.

Behaves asUnformattedInputFunction, except thatgcount() is not affected. After constructing and checking the sentry object, iffail()==true, returnspos_type(-1). Otherwise, returnsrdbuf()->pubseekoff(0,std::ios_base::cur,std::ios_base::in).

[edit]Parameters

(none)

[edit]Return value

The current position of the get pointer on success,pos_type(-1) on failure.

[edit]Exceptions

If an internal operation throws an exception, it is caught andbadbit is set. Ifexceptions() is set forbadbit, the exception is rethrown.

[edit]Example

#include <iostream>#include <sstream>#include <string> int main(){std::string str="Hello, world";std::istringstream in(str);std::string word;    in>> word;std::cout<<"After reading the word\""<< word<<"\" tellg() returns "<< in.tellg()<<'\n';}

After reading the word "Hello," tellg() returns 6

[edit]See also

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