#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main()
{
char text[12] = "Hello world!";
char buffer[strlen(text)];
for(int i = 0, j = strlen(text)-1; i <= strlen(text)-1, j>=0; i++, j--){
buffer[i] = text[j];
}
printf("Original text: %s\n Reversed text: %s\n",text,buffer);
return 0;
}