#include <stdio.h>
#include <string.h>
int main() {
char str[] = "abcde";
for (int start = 0, len = strlen(str), lim = len / 2; start < lim; start++) {
int end = len - start - 1;
char temp = str[start];
str[start] = str[end];
str[end] = temp;
}
printf("Reversed string: %s", str);
}