a stranger program

#include <stdio.h>
#include <stdlib.h>

/* run this program using the console pauser or add your own getch, system("pause") or input loop */

#define RESET(p,len) while(len>0) ((char*)p)[--len]=0

void reset(void* p,int len)
{
while(len>=0)
{
printf("((char*)p)[%d]: %x\n",len,&((char*)p)[--len]);
((char*)p)[--len] = 0;

}
}
int main(int argc, char *argv[])
{
int array[] = {1,2,3,4};
//int len = sizeof(array)/sizeof(array[0]);
int len = sizeof(array);

int i = 0;

printf("len : %d\n",len);

for(i=0;i<4;i++)
{
printf("array[%d] : %x",i,&array[i]);
printf(" -> %d\n",array[i]);
}
printf("array : %x\n",array);

//RESET(array,len);
reset(array,len);

for(i=0;i<4;i++)
{
printf("array[%d] : %x",i,&array[i]);
printf("-> %d\n",array[i]);
}

return 0;
}

/*
len : 16
array[0] : 22fef8 -> 1
array[1] : 22fefc -> 2
array[2] : 22ff00 -> 3
array[3] : 22ff04 -> 4
array : 22fef8
((char*)p)[15]: 22ff07
((char*)p)[13]: 22ff05
((char*)p)[11]: 22ff03
((char*)p)[9]: 22ff01
((char*)p)[7]: 22feff
((char*)p)[5]: 22fefd
((char*)p)[3]: 22fefb
((char*)p)[1]: 22fef9
((char*)p)[-1]: 22fef7
array[0] : 22fef8-> 0
array[1] : 22fefc-> 0
array[2] : 22ff00-> 0
array[3] : 22ff04-> 0

*/