title: Running linux gcc-compiled program under windows
body: <p>Ok, guys, hope this is quite a simple question:
  is there any way to run a C program compiled under linux with gcc on a windows operating system? 
  Please don't tell me to recompile it under windows, since I already tried but looks like no c windows compiler has 128 bit native type, and using bignum libraries makes my program like 10 to 100 times slower. 
  Is there any way to actually RUN the linux binary under windows?
  Someone told me something about cygwin, but I don't know where to get started with it. (My program should be portable as well, so I souldn't need to install programs and stuff on my machine).</p>
  
  <p>Thank you very much!!
  Matteo</p>