rand.c

从iccavr7中破解得到的lib库源代码

#include <ctype.h>
#include <stdlib.h>
#include <errno.h>

static unsigned int _next = 1;

void srand(unsigned int seed)
	{
	_next = seed;
	}
	
int rand(void)
	{

	_next = (((_next * 0x4E6D) & 0xffff) + 12345) & 0x7fff;

	return _next;
	}