> For the complete documentation index, see [llms.txt](https://oscourse-tsinghua.gitbook.io/ucore-analysis/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://oscourse-tsinghua.gitbook.io/ucore-analysis/ucore/user/divzero_c.md).

# divzero.c

```c
#include <stdio.h>
#include <ulib.h>

int zero;

int
main(void) {
    cprintf("value is %d.\n", 1 / zero);
    panic("FAIL: T.T\n");
}
```