Function: store the strings entered in the main function in reverse order. For example, if you input the string "ABCDEFG", you should output "gfedcba".

subject ：

Code details ：
 

#include <stdio.h>
#include <conio.h>
#include <string.h>
#define N 81

void fun(char* str, int n)
{

	/**********Program**********/
	int i,t;
	for (i = 0; i < n/2;i++) {
		t = str[i];
		str[i] = str[n - i - 1];
		str[ n-i - 1] = t;
	}
	/**********  End  **********/
}
int main()
{
	char s[N];
	int l;
	printf("input a string:"); scanf("%s", &s);
	l = strlen(s);
	fun(s, l);
	printf("The new string is :"); puts(s);
}