字符串数组的比较
char str1[] = "abc";
char str2[] = "abc";
const char str3[] = "abc";
const char str4[] = "abc";
const char* str5 = "abc";
const char* str6 = "abc";
cout << boolalpha << ( str1==str2 ) << endl;
cout << boolalpha << ( str3==str4 ) << endl;
cout << boolalpha << ( str5==str6 ) << endl;
请问为什么str1!=tr2, str3!=str4 and str5 == str6s?