* Copyright (c) 1988, 1993
* The Regents of the University of California. All rights reserved.
* This code is derived from software contributed to Berkeley by
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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
static char copyright
[] =
"@(#) Copyright (c) 1988, 1993\n\
The Regents of the University of California. All rights reserved.\n";
static char sccsid
[] = "@(#)ching.cno.c 8.1 (Berkeley) 5/31/93";
* cno - Read a question, cast a change, and output the line values to the
* standard output for processing by "phx".
long now
; /* current time */
unsigned seed
; /* seed for random number generator */
char string
[6+1]; /* where the actual change string is put */
{ { OYIN
, YYANG
,}, { YYANG
, YYIN
,} },
{ { YYANG
, YYIN
,}, { YYIN
, OYANG
,} },
seed
= (int)now
+ getquest() + getgid() + getuid() + getpid(); /* randomize */
printf("%s\n", change());
* Hash the question by adding all the characters together.
while ((c
= getchar()) != EOF
)
* Get a set of six lines making up a change.
string
[i
] = table
[getrnum()&01][getrnum()&01][getrnum()&01] + '0';
* Get a number more random than what getrand() gives.
return((getrand())>>(getrand()%17));
return(seed
= (seed
*13077) + 6925);