#include <aio.h>
#include <unistd.h>
#include <sys/wait.h>

int main()
{
	char buf[256];
	int fd = dup(0);
	struct aiocb cb = { .aio_fildes = fd, .aio_buf = buf, .aio_nbytes = sizeof buf };
	aio_read(&cb);

	pid_t pid = fork();
	if (!pid) {
		close(fd);
		_exit(0);
	}
	waitpid(pid, 0, 0);
}