size *= items; 
void *zalloc(void *x, unsigned items, unsigned size){        void *p = avail_ram;        size *= items;        size = (size + 7) & -8;        avail_ram += size;        if (avail_ram > end_avail) {                //puts("oops... out of memory\n");                //pause();                exit ();        }        return p;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/e7d163f7666560c90b163907b9d96ec6207e0f6f/zmem.c/buggy/arch/xtensa/boot/lib/zmem.c