40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
/* read.c -- read bytes from a input device.
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*
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* Copyright (c) 1995 Cygnus Support
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*
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* The authors hereby grant permission to use, copy, modify, distribute,
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* and license this software and its documentation for any purpose, provided
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* that existing copyright notices are retained in all copies and that this
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* notice is included verbatim in any distributions. No written agreement,
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* license, or royalty fee is required for any of the authorized uses.
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* Modifications to this software may be copyrighted by their authors
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* and need not follow the licensing terms described here, provided that
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* the new terms are clearly indicated on the first page of each file where
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* they apply.
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*/
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#include "glue.h"
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extern char _DEFUN_VOID (inbyte);
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/*
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* read -- read bytes from the serial port. Ignore fd, since
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* we only have stdin.
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*/
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int
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_DEFUN (read, (fd, buf, nbytes),
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int fd _AND
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char *buf _AND
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int nbytes)
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{
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int i = 0;
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for (i = 0; i < nbytes; i++) {
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*(buf + i) = inbyte();
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if ((*(buf + i) == '\n') || (*(buf + i) == '\r')) {
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(*(buf + i + 1)) = 0;
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break;
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}
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}
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return (i);
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}
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