#include <stdio.h>

int main()
{
	char s1[100], s2[100];
	int i;
	printf("字符串 s1: ");
	scanf("%s", s1);

	for (i = 0; s1[i] != '\0'; ++i)
	{
		s2[i] = s1[i];
	}

	s2[i] = '\0';
	printf("字符串 s2: %s", s2);
	getchar();
	getchar();
	return 0;
}