* cygwin.din (getpt): Export.

* posix.sgml (std-gnu): Add getpt.
	* tty.cc (getpt): New function.
	* include/cygwin/stdlib.h [!__STRICT_ANSI__] (getpt): Declare.
	* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.

winsup/cygwin/tty.cc

@@ -25,6 +25,12 @@ details. */
 
 HANDLE NO_COPY tty_list::mutex = NULL;
 
+extern "C" int
+getpt (void)
+{
+  return open ("/dev/ptmx", O_RDWR | O_NOCTTY);
+}
+
 extern "C" int
 posix_openpt (int oflags)
 {