The tellp() function is used with output streams, and returns the current “put” position of the pointer in the stream. It has no parameters and return a value of the member type pos_type, which is an integer data type representing the current position of the put stream pointer.
Return – Current output position indicator on success otherwise return -1.
Example 1 –
the current position of pointer is :-1
In the above code the tellp() returns the current position to which it point in a file.
Example 2 –
this is a sample
Here tellp() function returns the position of pointer then using seekp() function the pointer is shift back from n position here it shift 7 position back and then insert the content at that position .
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