26     static_assert((std::is_same<decltype(std::memcpy(vp, vpc, s)), void*>::value), "");  in main()
27     static_assert((std::is_same<decltype(std::memmove(vp, vpc, s)), void*>::value), "");  in main()
28     static_assert((std::is_same<decltype(std::strcpy(cp, cpc)), char*>::value), "");  in main()
29     static_assert((std::is_same<decltype(std::strncpy(cp, cpc, s)), char*>::value), "");  in main()
30     static_assert((std::is_same<decltype(std::strcat(cp, cpc)), char*>::value), "");  in main()
31     static_assert((std::is_same<decltype(std::strncat(cp, cpc, s)), char*>::value), "");  in main()
32     static_assert((std::is_same<decltype(std::memcmp(vpc, vpc, s)), int>::value), "");  in main()
33     static_assert((std::is_same<decltype(std::strcmp(cpc, cpc)), int>::value), "");  in main()
34     static_assert((std::is_same<decltype(std::strncmp(cpc, cpc, s)), int>::value), "");  in main()
35     static_assert((std::is_same<decltype(std::strcoll(cpc, cpc)), int>::value), "");  in main()
36     static_assert((std::is_same<decltype(std::strxfrm(cp, cpc, s)), std::size_t>::value), "");  in main()
38     static_assert((std::is_same<decltype(std::memchr(vp, 0, s)), void*>::value), "");  in main()
40     static_assert((std::is_same<decltype(std::strchr(cp, 0)), char*>::value), "");  in main()
41     static_assert((std::is_same<decltype(std::strcspn(cpc, cpc)), std::size_t>::value), "");  in main()
43     static_assert((std::is_same<decltype(std::strpbrk(cp, cpc)), char*>::value), "");  in main()
45     static_assert((std::is_same<decltype(std::strrchr(cp, 0)), char*>::value), "");  in main()
46     static_assert((std::is_same<decltype(std::strspn(cpc, cpc)), std::size_t>::value), "");  in main()
48     static_assert((std::is_same<decltype(std::strstr(cp, cpc)), char*>::value), "");  in main()
50     static_assert((std::is_same<decltype(std::strtok(cp, cpc)), char*>::value), "");  in main()
52     static_assert((std::is_same<decltype(std::memset(vp, 0, s)), void*>::value), "");  in main()
53     static_assert((std::is_same<decltype(std::strerror(0)), char*>::value), "");  in main()
54     static_assert((std::is_same<decltype(std::strlen(cpc)), std::size_t>::value), "");  in main()