mconv_ungetc - Push a character back to a code converter.
, int c
Push a character back to a code converter.
The mconv_ungetc() function pushes character c back to code converter converter
Any number of characters can be pushed back. The lastly pushed back
character is firstly read by the subsequent mconv_getc() call. The characters
pushed back are registered only in converter ;
they are not written to
the input source. The internal status of converter is updated appropriately.
If the operation was successful, mconv_ungetc() returns c
. Otherwise it returns EOF and assigns an error code to the external
variable merror_code .
mconv_getc(), mconv_putc() ,
Copyright (C) 2001 Information-technology Promotion Agency (IPA)
Copyright (C) 2001-2009 National Institute of Advanced Industrial Science and
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terms of the GNU Free Documentation License