31 Input/output library [input.output]

31.6 Stream buffers [stream.buffers]

31.6.3 Class template basic_streambuf [streambuf]

31.6.3.3 Public member functions [streambuf.members]

31.6.3.3.3 Get area [streambuf.pub.get]

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streamsize in_avail();
1
#
Returns: If a read position is available, returns egptr() - gptr().
Otherwise returns showmanyc().
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int_type snextc();
2
#
Effects: Calls sbumpc().
3
#
Returns: If that function returns traits​::​eof(), returns traits​::​eof().
Otherwise, returns sgetc().
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int_type sbumpc();
4
#
Effects: If the input sequence read position is not available, returns uflow().
Otherwise, returns traits​::​to_int_type(*gptr()) and increments the next pointer for the input sequence.
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int_type sgetc();
5
#
Returns: If the input sequence read position is not available, returns underflow().
Otherwise, returns traits​::​to_int_type(*gptr()).
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streamsize sgetn(char_type* s, streamsize n);
6
#
Returns: xsgetn(s, n).