#include  <sys/wait.h>
#include  <stdio.h>

#define NULL	0

int main(){
  char * str[3]= {"a", "b", "c"};
  char * pass_arg[4];
  int i;

	/*  MUST allocate space for the arguments!!! */
	for (i = 0; i < 3; i++)
	{
	   pass_arg[i] = (char *) malloc(sizeof(str[i]) + 1);
	   strcpy(pass_arg[i], str[i]);
	}
	/*  The LAST argument MUST be NULL */
	pass_arg[3] = NULL;

	if (fork() == 0){ /* this is child */
	  
	  execv("child2",pass_arg);
	  exit(1);	/* should never get here; terminate */
	}

	/* Parent code here */
	printf("Process[%d]: Parent in execution ... \n", getpid() );
	sleep(2); 
	if (wait(NULL) > 0) /* Child terminating */
		printf("Process[%d]: Parent detects terminating child \n", getpid() );
	printf("Process[%d]: Parent terminating....\n", getpid() );
}