#ifndef UTIL_H
#define UTIL_H
/*
 * TEA Total Copyright (c) Alex Holden <alex@linuxhacker.org> 2000, 2001.
 *
 * This code is public domain; you can do whatever you want with it, though I
 * would prefer you to contribute any bug fixes back to me if possible.
 * This software comes with NO WARRANTY WHATSOEVER, not even the implied
 * warranties of merchantability and fitness for a particular purpose.
 */

#include <stdlib.h> /* Needed for size_t */
#include <termios.h> /* Needed for struct termios */

extern struct termios origtermattr;
extern void restore_termattr(void);
extern int hextoint(char *p);
extern void inttohex(u8 i, char *p);
extern u32 swapu32(u32 n);
extern void die(char *msg);
extern void *safe_malloc(size_t size);
extern char *safe_strdup(const char *s);
extern long safe_readwrite(int fd, void *buf, long len, int r);
#define safe_read(A, B, C) safe_readwrite(A, B, C, 1)
#define safe_write(A, B, C) safe_readwrite(A, B, C, 0)
extern int openwrite(char *path);

#endif