basic_streambuf::setp
A protected function that stores _Pbeg in the beginning pointer and _Pend in the end pointer for the output buffer.
void setp(
char_type *_Pbeg,
char_type *_Pend
);
Parameters
_Pbeg
A pointer to the beginning of the buffer._Pend
A pointer to the end of the buffer.
Requirements
Header: <streambuf>
Namespace: std