streambuf::sbumpc Method
Reads a single character from the stream and advances the read position.
virtual typename details::basic_streambuf<_CharType>::int_type sbumpc();
Return Value
The value of the character. -1 if the read fails. -2 if an asynchronous read is required
Remarks
This is a synchronous operation, but is guaranteed to never block.
Requirements
Header: astreambuf.h
Namespace: concurrency::streams