scc

 1#include <stdio.h>
 2#include <stdlib.h>
 3
 4/*
 5output:
 6testing
 7hello
 8done
 9end:
10*/
11
12int
13main(void)
14{
15	puts("testing");
16	system("echo hello");
17	puts("done");
18
19	return 0;
20}