From: bbr322 <bbr322@...>
Date: 2009-04-02T20:24:38+09:00
Subject: How to get a writable FILE* from RFile in Ruby 1.9.1?

rb_io_t *fptr;

Check_Type(f, T_FILE);
rb_io_binmode(f);
GetOpenFile(f, fptr);
rb_io_check_writable(fptr);
fprintf(rb_io_stdio_file(fptr), pstr);

--
It doesn't work, thanks.