ouroboros.sh.c

#include <fcntl.h>
#include <stdlib.h>
#include <unistd.h>
int main() {
	int pipefd[2];
	close(0);
	close(1);
	pipe(pipefd);
	write(1, "echo $Q\n", 8);
	execle("/bin/sh", "sh", NULL, (char *[]) {"Q=echo $Q", NULL});
}