#define OP_BINARY _O_BINARY /* Mistake in in pp_sys.c. */
-#undef mkdir
-#define mkdir(nm, md) _mkdir(nm) /* For UNIX compatibility. */
-
-#undef chdir
-#define chdir(nm) _chdir(nm)
-
-#undef rmdir
-#define rmdir(nm) _rmdir(nm)
-
#undef pipe
#define pipe(fd) win32_pipe((fd), 512, _O_BINARY) /* the pipe call is a bit different */