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mconv_ungetc - Push a character back to a code converter.
int mconv_ungetc (MConverter * 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(), mconv_gets()
Copyright (C) 2001 Information-technology Promotion Agency (IPA) Copyright (C) 2001-2011 National Institute of Advanced Industrial Science and Technology (AIST) Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License <http://www.gnu.org/licenses/fdl.html>.