Put character at current put position.
  The character whose value is parameter c is stored at current put position and the put pointer is increased by one.

Parameters.

c

Character to be put.

Return Value.
  EOF if the function failed to put the character, or any other value in case of success.

Basic template member declaration ( basic_stringbuf<charT,traits,Allocator> ):

typedef traits::int_type int_type; int_type underflow ( int_type c = traits::eof() );

See also.
  stringbuf class