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

char string[] = "string";

int main(void)
{
	int i=0;
	char **argv;
	while(i<5) {
		argv[i++] = string;
	}
	argv[i] = NULL;
	i=0;
	while(argv[i++]) {
		printf("{%s}",argv[i]);
	}
	printf("\n");
	return 0;
}