Base version of ncurses-5.7 library
diff --git a/menu/mf_common.h b/menu/mf_common.h
new file mode 100644
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--- /dev/null
+++ b/menu/mf_common.h
@@ -0,0 +1,95 @@
+/****************************************************************************
+ * Copyright (c) 1998-2003,2004 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+ * copy of this software and associated documentation files (the *
+ * "Software"), to deal in the Software without restriction, including *
+ * without limitation the rights to use, copy, modify, merge, publish, *
+ * distribute, distribute with modifications, sublicense, and/or sell *
+ * copies of the Software, and to permit persons to whom the Software is *
+ * furnished to do so, subject to the following conditions: *
+ * *
+ * The above copyright notice and this permission notice shall be included *
+ * in all copies or substantial portions of the Software. *
+ * *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
+ * *
+ * Except as contained in this notice, the name(s) of the above copyright *
+ * holders shall not be used in advertising or otherwise to promote the *
+ * sale, use or other dealings in this Software without prior written *
+ * authorization. *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Author: Juergen Pfeifer, 1995,1997 *
+ ****************************************************************************/
+
+/* $Id: mf_common.h,v 0.22 2005/11/26 15:26:52 tom Exp $ */
+
+/* Common internal header for menu and form library */
+
+#ifndef MF_COMMON_H_incl
+#define MF_COMMON_H_incl 1
+
+#include <ncurses_cfg.h>
+#include <curses.h>
+
+#include <stdlib.h>
+#include <sys/types.h>
+#include <assert.h>
+#include <string.h>
+#include <ctype.h>
+#include <errno.h>
+
+#if DECL_ERRNO
+extern int errno;
+#endif
+
+/* in case of debug version we ignore the suppression of assertions */
+#ifdef TRACE
+# ifdef NDEBUG
+# undef NDEBUG
+# endif
+#endif
+
+#include <nc_alloc.h>
+
+#if USE_RCS_IDS
+#define MODULE_ID(id) static const char Ident[] = id;
+#else
+#define MODULE_ID(id) /*nothing*/
+#endif
+
+
+/* Maximum regular 8-bit character code */
+#define MAX_REGULAR_CHARACTER (0xff)
+
+#define SET_ERROR(code) (errno=(code))
+#define GET_ERROR() (errno)
+
+#ifdef TRACE
+#define RETURN(code) returnCode( SET_ERROR(code) )
+#else
+#define RETURN(code) return( SET_ERROR(code) )
+#endif
+
+/* The few common values in the status fields for menus and forms */
+#define _POSTED (0x01U) /* menu or form is posted */
+#define _IN_DRIVER (0x02U) /* menu or form is processing hook routine */
+
+/* Call object hook */
+#define Call_Hook( object, handler ) \
+ if ( (object) != 0 && ((object)->handler) != (void *) 0 )\
+ {\
+ (object)->status |= _IN_DRIVER;\
+ (object)->handler(object);\
+ (object)->status &= ~_IN_DRIVER;\
+ }
+
+#endif /* MF_COMMON_H_incl */