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/*
atarisio - A UNIX backend for an Atari SIO2PC lead.
Copyright (C) 2004 Ian Cowburn (ianc@noddybox.demon.co.uk)
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-------------------------------------------------------------------------
Global utilities and types
*/
#ifndef ATARISIO_UTIL_H
#define ATARISIO_UTIL_H "$Id$"
#include <stdlib.h>
/* ---------------------------------------- TYPES
*/
typedef unsigned char uchar;
/* ---------------------------------------- INTERFACES
*/
/* Returns result from malloc(size), calling exit() if it fails.
*/
void *Malloc(size_t size);
/* Returns result from realloc(p,size), calling exit() if it fails.
*/
void *Realloc(void *p, size_t size);
/* Copies a string. The result must be freed.
*/
char *StrCopy(const char *source);
/* Set flag TRUE/FALSE depending on the contents of str.
'on', 'yes' and '1' are TRUE, 'off', 'no' and '0' false.
Returns FALSE is str is invalid.
*/
int YesNo(const char *str, int *flag);
/* Hex dump to stdout
*/
void HexDump(const uchar *p, size_t len);
/* Get an integer from a string
*/
int GetInt(const char *p);
/* Returns an Atari serial style checksum.
*/
uchar Checksum(const uchar *p, size_t len);
#endif
/* END OF FILE */
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