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| 1 | /* $Header: /cvsup/minix/src/lib/ack/libp/rdl.c,v 1.1 2005/10/10 15:27:47 beng Exp $ */
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| 2 | /*
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| 3 | * (c) copyright 1983 by the Vrije Universiteit, Amsterdam, The Netherlands.
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| 4 | *
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| 5 | * This product is part of the Amsterdam Compiler Kit.
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| 6 | *
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| 7 | * Permission to use, sell, duplicate or disclose this software must be
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| 8 | * obtained in writing. Requests for such permissions may be sent to
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| 9 | *
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| 10 | * Dr. Andrew S. Tanenbaum
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| 11 | * Wiskundig Seminarium
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| 12 | * Vrije Universiteit
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| 13 | * Postbox 7161
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| 14 | * 1007 MC Amsterdam
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| 15 | * The Netherlands
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| 16 | *
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| 17 | */
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| 18 |
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| 19 | /* Author: J.W. Stevenson */
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| 20 |
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| 21 | #include <pc_file.h>
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| 22 |
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| 23 | extern _rf();
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| 24 | extern _skipsp();
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| 25 | extern int _getsig();
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| 26 | extern int _fstdig();
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| 27 | extern int _nxtdig();
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| 28 |
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| 29 | long _rdl(f) struct file *f; {
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| 30 | int is_signed,ch; long l;
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| 31 |
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| 32 | _rf(f);
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| 33 | _skipsp(f);
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| 34 | is_signed = _getsig(f);
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| 35 | ch = _fstdig(f);
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| 36 | l = 0;
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| 37 | do
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| 38 | l = l*10 - ch;
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| 39 | while ((ch = _nxtdig(f)) >= 0);
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| 40 | return(is_signed ? l : -l);
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| 41 | }
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