I’m trying to use the ffblk struct in my code, but when I try to compile with mingw, I get errors.


I have this declared:


  struct ffblk ffblk;


when I compile the error message I get is:


aggregate `ffblk ffblk' has incomplete type and cannot be defined



am I doing something wrong here? However the same code can be compiled using the Borland free command line compiler with no modification to the code. Please help.