1 #include <unistd.h> 2 #include <stdlib.h> 3 #include <stdio.h> 4 5 /* 6 * This is a test helper that just has to run for a while. 7 */ 8 int main(int argc,char ** argv)9main(int argc, char **argv) 10 { 11 printf("Hello, world.\n"); 12 sleep(15); 13 printf("That's all folks.\n"); 14 exit(0); 15 } 16