#include <stdio.h>

void ouch()
{
    volatile int i;
    (&i)[14] = 0;
}

void fn() {
    int fwsize = 16384, erase_sz = 1024;
    int voodoo;
    int block_start, blocknum = 0;

    fprintf(stderr, "%p\n", &block_start);

    while(blocknum * erase_sz < fwsize) {
        block_start = blocknum * erase_sz;
        if(blocknum == 4) ouch();
        printf("block_start %i blocknum %i erase_sz %i\n", block_start, blocknum, erase_sz);
        blocknum++;
    }
}

int main() {
    fn();
    return 0;
}
0xbff8de5c
block_start 0 blocknum 0 erase_sz 1024
block_start 1024 blocknum 1 erase_sz 1024
block_start 2048 blocknum 2 erase_sz 1024
block_start 3072 blocknum 3 erase_sz 1024
block_start 0 blocknum 4 erase_sz 1024
block_start 5120 blocknum 5 erase_sz 1024
block_start 6144 blocknum 6 erase_sz 1024
block_start 7168 blocknum 7 erase_sz 1024
block_start 8192 blocknum 8 erase_sz 1024
block_start 9216 blocknum 9 erase_sz 1024
block_start 10240 blocknum 10 erase_sz 1024
block_start 11264 blocknum 11 erase_sz 1024
block_start 12288 blocknum 12 erase_sz 1024
block_start 13312 blocknum 13 erase_sz 1024
block_start 14336 blocknum 14 erase_sz 1024
block_start 15360 blocknum 15 erase_sz 1024