vcruntime_file   2299 win32/win32.c  #define FILE_COUNT(stream) ((vcruntime_file*)stream)->_cnt
vcruntime_file   2300 win32/win32.c  #define FILE_READPTR(stream) ((vcruntime_file*)stream)->_ptr
vcruntime_file   2301 win32/win32.c  #define FILE_FILENO(stream) ((vcruntime_file*)stream)->_file