iostream hierarchy
filebuf:: underflow [virtual] [protected]
  cplusplus.com  
int underflow ( );

Get current character.
  Returns the character at current get position or EOF (traits::eof) if the current get pointer is at the end of the file.

Parameters.

none
 

Return Value.
  The character available at the get position.
  EOF if the get pointer is at the end of the file.

Basic template member declaration ( basic_filebuf<charT,traits> ):
typedef traits::int_type int_type;
int_type underflow ( );

See also.
  overflow
  filebuf class


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