adding zephyr-im master branch

lib/ZPending.c

@@ -0,0 +1,35 @@
+/* This file is part of the Project Athena Zephyr Notification System.
+ * It contains source for the ZPending function.
+ *
+ *	Created by:	Robert French
+ *
+ *	$Id$
+ *
+ *	Copyright (c) 1987 by the Massachusetts Institute of Technology.
+ *	For copying and distribution information, see the file
+ *	"mit-copyright.h". 
+ */
+
+#ifndef lint
+static const char rcsid_ZPending_c[] = "$Id$";
+#endif
+
+#include <internal.h>
+
+int
+ZPending(void)
+{
+	int retval;
+	
+	if (ZGetFD() < 0) {
+		errno = ZERR_NOPORT;
+		return (-1);
+	}
+	
+	if ((retval = Z_ReadEnqueue()) != ZERR_NONE) {
+		errno = retval;
+		return (-1);
+	} 
+	
+	return(ZQLength());
+}