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