#include	<stdio.h>
#include    <stdlib.h>
#include    <unistd.h>

int main()
{
	int	fork_rv;

	printf("Before: my pid is %d\n", getpid());

	fork_rv = fork();		/* create new process	*/

	if ( fork_rv == -1 )		/* check for error	*/
		perror("fork");
	else if ( fork_rv == 0 ){ 
		printf("I am the child.  my pid=%d\n", getpid());
	
		exit(0);
	}
	else{
		printf("I am the parent. my child is %d\n", fork_rv);
		exit(0);
	}

	return 0;
}