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/* This file is in the public domain.
Source code of the C program. */
/* Every source file that uses Gnulib needs this. */
#include <config.h>
/* Get printf() declaration. */
#include <stdio.h>
/* Get getpid() declaration. */
#include <unistd.h>
/* Include Gnulib header files. */
#include "get_ppid_of.h"
int
main ()
{
printf ("%s\n", "Hello, world!");
printf ("This program is running as process number %d.\n", getpid ());
printf ("The parent process number is %d.\n", get_ppid_of (getpid ()));
return 0;
}
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