25     char* cp = 0;  in main()  local
30     ASSERT_SAME_TYPE(char*,       decltype(std::strcpy(cp, cpc)));  in main()
31     ASSERT_SAME_TYPE(char*,       decltype(std::strncpy(cp, cpc, s)));  in main()
32     ASSERT_SAME_TYPE(char*,       decltype(std::strcat(cp, cpc)));  in main()
33     ASSERT_SAME_TYPE(char*,       decltype(std::strncat(cp, cpc, s)));  in main()
38     ASSERT_SAME_TYPE(std::size_t, decltype(std::strxfrm(cp, cpc, s)));  in main()
41     ASSERT_SAME_TYPE(char*,       decltype(std::strchr(cp, 0)));  in main()
44     ASSERT_SAME_TYPE(char*,       decltype(std::strpbrk(cp, cpc)));  in main()
46     ASSERT_SAME_TYPE(char*,       decltype(std::strrchr(cp, 0)));  in main()
49     ASSERT_SAME_TYPE(char*,       decltype(std::strstr(cp, cpc)));  in main()
51     ASSERT_SAME_TYPE(char*,       decltype(std::strtok(cp, cpc)));  in main()