Adding menuetlibc back to its place in /programs/develop/libraries

This version of menuetlibc was taken from revision 4743, right before I made any changes

git-svn-id: svn://kolibrios.org@4973 a494cfbc-eb01-0410-851d-a64ba20cac60

programs/develop/libraries/menuetlibc/include/sys/fsext.h

@@ -0,0 +1,69 @@
+/* Copyright (C) 1998 DJ Delorie, see COPYING.DJ for details */
+/* Copyright (C) 1995 DJ Delorie, see COPYING.DJ for details */
+#ifndef __dj_include_sys_fsext_h_
+#define __dj_include_sys_fsext_h_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __dj_ENFORCE_ANSI_FREESTANDING
+
+#ifndef __STRICT_ANSI__
+
+#ifndef _POSIX_SOURCE
+
+#include <stdarg.h>
+
+typedef enum {
+  __FSEXT_nop,
+  __FSEXT_open,
+  __FSEXT_creat,
+  __FSEXT_read,
+  __FSEXT_write,
+  __FSEXT_ready,
+  __FSEXT_close,
+  __FSEXT_fcntl,
+  __FSEXT_ioctl,
+  __FSEXT_lseek,
+  __FSEXT_link,
+  __FSEXT_unlink,
+  __FSEXT_dup,
+  __FSEXT_dup2,
+  __FSEXT_fstat,
+  __FSEXT_stat
+} __FSEXT_Fnumber;
+
+/* _ready gets passed a fd and should return a mask of these,
+   as if we were emulating "int ready(int fd)" */
+#define __FSEXT_ready_read	1
+#define __FSEXT_ready_write	2
+#define __FSEXT_ready_error	4
+
+/* The return value is nonzero if the function has overridden the
+   caller's functionality. */
+typedef int (__FSEXT_Function)(__FSEXT_Fnumber _function_number,
+			       int *_rv, /*va_list*/void* _args);
+
+int               __FSEXT_alloc_fd(__FSEXT_Function *_function);
+int               __FSEXT_set_function(int _fd, __FSEXT_Function *_function);
+__FSEXT_Function *__FSEXT_get_function(int _fd);
+void             *__FSEXT_set_data(int _fd, void *_data);
+void             *__FSEXT_get_data(int _fd);
+
+int               __FSEXT_add_open_handler(__FSEXT_Function *_function);
+int               __FSEXT_call_open_handlers(__FSEXT_Fnumber _function_number,
+					     int *rv, /*va_list*/void* _args);
+
+#endif /* !_POSIX_SOURCE */
+#endif /* !__STRICT_ANSI__ */
+#endif /* !__dj_ENFORCE_ANSI_FREESTANDING */
+
+#ifndef __dj_ENFORCE_FUNCTION_CALLS
+#endif /* !__dj_ENFORCE_FUNCTION_CALLS */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* !__dj_include_sys_fsext_h_ */