Ralf Papenkordt wrote:

> 
> $ diff ncurses_wrap.c ncurses_wrap.c.b
> ...
> 2244,2245d2243
> <     VALUE tmp = rb_funcall3(rb_mKernel, rb_intern("sprintf"), argc-1,
> <                               argv + 1);
> 2247c2245,2246
> <             (VALUE)StringValuePtr(tmp));
> ---
>>             STR2CSTR(rb_funcall3(rb_mKernel, rb_intern("sprintf"), argc-1,
>>                               argv + 1)));
> ...
> 

Thanks a lot, Ralf. Working fine :)

I wish i could take over maintenance of this gem, but I know very basic 
C only.
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