27 lines
723 B
C
27 lines
723 B
C
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/*
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Copyright (c) 1990-2000 Info-ZIP. All rights reserved.
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See the accompanying file LICENSE, version 2000-Apr-09 or later
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(the contents of which are also included in zip.h) for terms of use.
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If, for some reason, all these files are missing, the Info-ZIP license
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also may be found at: ftp://ftp.info-zip.org/pub/infozip/license.html
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*/
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/* replace standard library function who needs a FILE* */
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#pragma library
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#include <stdio.h>
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#include <fcntl.h>
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#include <sc.h>
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#include <lub.h>
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short _isatty(int fd)
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{
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register short lub;
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lub = (int) _fcntl(&stdin[fd], 5, (size_t) 0);
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return (lub >= CONIN && lub <= CONOUT)
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|| (lub >= COM1 && lub <= COM4)
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|| (lub >= COM5 && lub <= COM16);
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}
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