fn start() {
// Allocate 128 bytes of memory and store the pointer to that block in `str`
def size = 128;
def str = alloc(size);
free(str, size);
}
// free_byte only frees a single cell, so free must be implemented manually
fn free(ptr, size) {
while size {
size = sub(size, 1);
// free_byte is built in
free_byte(add(ptr, size));
}
// Store 0 in the return register
return 0;
}