+ /* But on mingw, close_stdin leaves stdin's file descriptor at the expected
+ position (i.e. where this program left off reading) only if its mode has
+ been set to O_BINARY. If it has been set to O_TEXT, and the file
+ descriptor is seekable, and stdin is buffered, the MSVCRT runtime ends up
+ setting the file descriptor's position to the expected position _minus_
+ the number of LFs not preceded by CR that were read between the expected
+ position and the last filled buffer end position. (I.e. the repositioning
+ from the end-of-buffer to the expected position does not work if the input
+ file contains end-of-line markers in Unix convention.) */
+ SET_BINARY (0);