C++字符串反转

void main()
{
	char c;
	char buf[] = { "abcdefg" };
	char *p=buf;
	
	char *p2=buf + strlen(buf) - 1;
	

	while (p<p2)
	{
		c = *p;
		*p = *p2;
		*p2 == c;
		p++;
		p2--;
	}
	printf("buf=%s", buf);
	system("pause");
}