#include <stdio.h>
#define BUFFER_LEN 200

int main(void){
    int i = 0;
    char index[BUFFER_LEN];
    char exit;
    char text_1[100], text_2[100], text_3[100];
    char *to, *tt, *th;
    char message[] = "testing";
    printf("Original message: %s\n", &message);
    i=0;
    while ((text_1[i] = message[i]) != "\0")
    i++;
    printf("Text_1: %s\n", text_1);
    to = text_1;
    tt = message;
    while ((*to = *tt) != "\0")
    ;
    printf("Text2: %s\n", text_2);
    scanf("%s", &exit);
    return 0;
}