72   static_assert((std::is_same<decltype(abs((float)0)), float>::value), "");  in test_abs()
73   static_assert((std::is_same<decltype(abs((double)0)), double>::value), "");  in test_abs()
75       (std::is_same<decltype(abs((long double)0)), long double>::value), "");  in test_abs()
76   static_assert((std::is_same<decltype(abs((int)0)), int>::value), "");  in test_abs()
77   static_assert((std::is_same<decltype(abs((long)0)), long>::value), "");  in test_abs()
78   static_assert((std::is_same<decltype(abs((long long)0)), long long>::value),  in test_abs()
80   static_assert((std::is_same<decltype(abs((unsigned char)0)), int>::value),  in test_abs()
82   static_assert((std::is_same<decltype(abs((unsigned short)0)), int>::value),  in test_abs()
84   static_assert((std::is_same<decltype(abs((signed char)0)), int>::value),  in test_abs()
86   static_assert((std::is_same<decltype(abs((short)0)), int>::value),  in test_abs()
88   static_assert((std::is_same<decltype(abs((unsigned char)0)), int>::value),  in test_abs()
90   static_assert((std::is_same<decltype(abs((char)0)), int>::value),  in test_abs()
110     static_assert((std::is_same<decltype(atof("")), double>::value), "");  in main()
111     static_assert((std::is_same<decltype(atoi("")), int>::value), "");  in main()
112     static_assert((std::is_same<decltype(atol("")), long>::value), "");  in main()
113     static_assert((std::is_same<decltype(atoll("")), long long>::value), "");  in main()
114     static_assert((std::is_same<decltype(getenv("")), char*>::value), "");  in main()
115     static_assert((std::is_same<decltype(strtod("", endptr)), double>::value), "");  in main()
116     static_assert((std::is_same<decltype(strtof("", endptr)), float>::value), "");  in main()
117     static_assert((std::is_same<decltype(strtold("", endptr)), long double>::value), "");  in main()
118     static_assert((std::is_same<decltype(strtol("", endptr,0)), long>::value), "");  in main()
119     static_assert((std::is_same<decltype(strtoll("", endptr,0)), long long>::value), "");  in main()
120     static_assert((std::is_same<decltype(strtoul("", endptr,0)), unsigned long>::value), "");  in main()
121     static_assert((std::is_same<decltype(strtoull("", endptr,0)), unsigned long long>::value), "");  in main()
122     static_assert((std::is_same<decltype(rand()), int>::value), "");  in main()
123     static_assert((std::is_same<decltype(srand(0)), void>::value), "");  in main()
130     static_assert((std::is_same<decltype(calloc(0,0)), void*>::value), "");  in main()
131     static_assert((std::is_same<decltype(free(0)), void>::value), "");  in main()
132     static_assert((std::is_same<decltype(malloc(0)), void*>::value), "");  in main()
133     static_assert((std::is_same<decltype(realloc(0,0)), void*>::value), "");  in main()
134     static_assert((std::is_same<decltype(abort()), void>::value), "");  in main()
135     static_assert((std::is_same<decltype(atexit(handler)), int>::value), "");  in main()
136     static_assert((std::is_same<decltype(exit(0)), void>::value), "");  in main()
137     static_assert((std::is_same<decltype(_Exit(0)), void>::value), "");  in main()
138     static_assert((std::is_same<decltype(getenv("")), char*>::value), "");  in main()
139     static_assert((std::is_same<decltype(system("")), int>::value), "");  in main()
140     static_assert((std::is_same<decltype(bsearch(pv,pv,0,0,comp)), void*>::value), "");  in main()
141     static_assert((std::is_same<decltype(qsort(pv,0,0,comp)), void>::value), "");  in main()
142     static_assert((std::is_same<decltype(abs(0)), int>::value), "");  in main()
143     static_assert((std::is_same<decltype(labs((long)0)), long>::value), "");  in main()
144     static_assert((std::is_same<decltype(llabs((long long)0)), long long>::value), "");  in main()
145     static_assert((std::is_same<decltype(div(0,0)), div_t>::value), "");  in main()
146     static_assert((std::is_same<decltype(ldiv(0L,0L)), ldiv_t>::value), "");  in main()
147     static_assert((std::is_same<decltype(lldiv(0LL,0LL)), lldiv_t>::value), "");  in main()
152     static_assert((std::is_same<decltype(mblen("",0)), int>::value), "");  in main()
153     static_assert((std::is_same<decltype(mbtowc(pw,"",0)), int>::value), "");  in main()
154     static_assert((std::is_same<decltype(wctomb(pc,L' ')), int>::value), "");  in main()
155     static_assert((std::is_same<decltype(mbstowcs(pw,"",0)), size_t>::value), "");  in main()
156     static_assert((std::is_same<decltype(wcstombs(pc,pwc,0)), size_t>::value), "");  in main()