gistfile1.cpp

#include <iostream>
using namespace std;


void swap(char *a, char *b)
{
	char *t = a;
	a = b;
	b = t;
}

void reverse(char* str)
{
	// get the length of the string
	int len;
	for(len = 0; str[len] != '\0'; len++);
	// swap front and end
	for(int i = 0, j = len - 1; i < j; i++, j--)
		swap(str[i], str[j]);
}