/* Dao nguoc chuoi */

#include <stdio.h>

#include <conio.h>

#include <string.h>

#include <stdlib.h>

char *dnchuoi(char *s)

{

char *tmp, i;

i = 0;

tmp = (char *)malloc(strlen(s)+1);

while (i<strlen(s))

*(tmp+i) = *(s + strlen(s) - i++ - 1);

*(tmp+i) = 0;

return tmp;

}

void main()

{

char hello[] = "Hello World";

char *s;

printf("

Chuoi ban dau = %s", hello);

s = dnchuoi(hello);

printf("

Chuoi dao nguoc = %s", s);

getch();

}