66 lines
2.1 KiB
C
66 lines
2.1 KiB
C
/* $NetBSD: getputchar.c,v 1.3 2003/08/07 16:26:51 agc Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1992, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Ralph Campbell.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* @(#)getenv.c 8.1 (Berkeley) 6/10/93
|
|
*/
|
|
|
|
getchar()
|
|
{
|
|
char buf[4];
|
|
int cnt;
|
|
|
|
if(Bios_Read(0, &buf, 1, &cnt) != 0)
|
|
return(-1);
|
|
return(buf[0] & 255);
|
|
}
|
|
|
|
putchar(c)
|
|
char c;
|
|
{
|
|
char buf[4];
|
|
int cnt;
|
|
|
|
if(c == '\n') {
|
|
buf[0] = '\r';
|
|
buf[1] = c;
|
|
cnt = 2;
|
|
}
|
|
else {
|
|
buf[0] = c;
|
|
cnt = 1;
|
|
}
|
|
if(Bios_Write(1, &buf, cnt, &cnt) != 0)
|
|
return(-1);
|
|
return(0);
|
|
}
|