#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <spawn.h>
#include <signal.h>

extern char **environ;

pid_t
run_sleep ()
{
  pid_t pid;
  char *argv[] = { "sleep", "3600", NULL };
  int err = posix_spawnp (&pid, "/usr/bin/sleep", NULL, NULL, argv, environ);
  if (err == 0)
    return pid;
  else
    {
      printf ("posix_spawnp: %s\n", strerror (err));
      exit (1);
    }
}

int
main ()
{
  pid_t pid = run_sleep ();
  kill (pid, SIGTERM);
}