#include <stdio.h>

/* These are useful to keep the source readable */
#ifndef STDIN_FILENO
# define STDIN_FILENO 0
#endif
#ifndef STDOUT_FILENO
# define STDOUT_FILENO 1
#endif
#ifndef STDERR_FILENO
# define STDERR_FILENO 2
#endif
#ifndef SHUT_RDWR
# define SHUT_RDWR 2
#endif

char *opt_exec = NULL;  /* program to exec after connecting */
static void ncexec(FILE *MyOutput)
{
  int saved_stderr;
  char *p;
 // assert(ncsock && (ncsock->fd >= 0));
  /* save the stderr fd because we may need it later */
  saved_stderr = dup(STDERR_FILENO);
  /* duplicate the socket for the child program */
  dup2(MyOutput, STDIN_FILENO); /* the precise order of fiddlage */
  close(MyOutput);   /* is apparently crucial; this is */
  dup2(STDIN_FILENO, STDOUT_FILENO); /* swiped directly out of "inetd". */
  dup2(STDIN_FILENO, STDERR_FILENO); /* also duplicate the stderr channel */
  /* change the label for the executed program */
  if ((p = strrchr(opt_exec, '/')))
    p++;   /* shorter argv[0] */
  else
    p = opt_exec;
  /* replace this process with the new one */
#ifndef USE_OLD_COMPAT
  execl("/bin/sh", p, "-c", opt_exec, NULL);
#else
  execl(opt_exec, p, NULL);
#endif
  dup2(saved_stderr, STDERR_FILENO);
//  ncprint(NCPRINT_ERROR | NCPRINT_EXIT, _("Couldn't execute %s: %s"),
 //  opt_exec, strerror(errno));
}    /* end of ncexec() */
int main()
{
 FILE *fOutput;
 fOutput = fopen("/mnt/hgfs/VMShares/output.txt", "w+");
 if (fOutput == NULL) printf("fOutput Error\n");
 if (fork() == 0)
 {
  printf("Fork() Success !\n");
  ncexec(fOutput);
 }
 sleep(2);
 //fwrite("ls", 4, 2, fOutput);
 return 0;
}