86     std::FILE* fp = 0;  in main()
87     std::fpos_t fpos = {0};  in main()
88     std::size_t s = 0;  in main()
90     std::va_list va;  in main()
91     static_assert((std::is_same<decltype(std::fclose(fp)), int>::value), "");  in main()
92     static_assert((std::is_same<decltype(std::fflush(fp)), int>::value), "");  in main()
93     static_assert((std::is_same<decltype(std::setbuf(fp,cp)), void>::value), "");  in main()
94     static_assert((std::is_same<decltype(std::vfprintf(fp,"",va)), int>::value), "");  in main()
95     static_assert((std::is_same<decltype(std::fprintf(fp," ")), int>::value), "");  in main()
96     static_assert((std::is_same<decltype(std::fscanf(fp,"")), int>::value), "");  in main()
97     static_assert((std::is_same<decltype(std::snprintf(cp,0," ")), int>::value), "");  in main()
98     static_assert((std::is_same<decltype(std::sprintf(cp," ")), int>::value), "");  in main()
99     static_assert((std::is_same<decltype(std::sscanf("","")), int>::value), "");  in main()
100     static_assert((std::is_same<decltype(std::vfprintf(fp,"",va)), int>::value), "");  in main()
101     static_assert((std::is_same<decltype(std::vfscanf(fp,"",va)), int>::value), "");  in main()
102     static_assert((std::is_same<decltype(std::vsnprintf(cp,0," ",va)), int>::value), "");  in main()
103     static_assert((std::is_same<decltype(std::vsprintf(cp," ",va)), int>::value), "");  in main()
104     static_assert((std::is_same<decltype(std::vsscanf("","",va)), int>::value), "");  in main()
105     static_assert((std::is_same<decltype(std::fgetc(fp)), int>::value), "");  in main()
106     static_assert((std::is_same<decltype(std::fgets(cp,0,fp)), char*>::value), "");  in main()
107     static_assert((std::is_same<decltype(std::fputc(0,fp)), int>::value), "");  in main()
108     static_assert((std::is_same<decltype(std::fputs("",fp)), int>::value), "");  in main()
109     static_assert((std::is_same<decltype(std::getc(fp)), int>::value), "");  in main()
110     static_assert((std::is_same<decltype(std::putc(0,fp)), int>::value), "");  in main()
111     static_assert((std::is_same<decltype(std::ungetc(0,fp)), int>::value), "");  in main()
112     static_assert((std::is_same<decltype(std::fread((void*)0,0,0,fp)), std::size_t>::value), "");  in main()
113 …static_assert((std::is_same<decltype(std::fwrite((const void*)0,0,0,fp)), std::size_t>::value), ""…  in main()
114     static_assert((std::is_same<decltype(std::fgetpos(fp, &fpos)), int>::value), "");  in main()
115     static_assert((std::is_same<decltype(std::fseek(fp, 0,0)), int>::value), "");  in main()
116     static_assert((std::is_same<decltype(std::fsetpos(fp, &fpos)), int>::value), "");  in main()
117     static_assert((std::is_same<decltype(std::ftell(fp)), long>::value), "");  in main()
118     static_assert((std::is_same<decltype(std::rewind(fp)), void>::value), "");  in main()
119     static_assert((std::is_same<decltype(std::clearerr(fp)), void>::value), "");  in main()
120     static_assert((std::is_same<decltype(std::feof(fp)), int>::value), "");  in main()
121     static_assert((std::is_same<decltype(std::ferror(fp)), int>::value), "");  in main()
122     static_assert((std::is_same<decltype(std::perror("")), void>::value), "");  in main()
125     static_assert((std::is_same<decltype(std::fopen("", "")), std::FILE*>::value), "");  in main()
126     static_assert((std::is_same<decltype(std::freopen("", "", fp)), std::FILE*>::value), "");  in main()
127     static_assert((std::is_same<decltype(std::remove("")), int>::value), "");  in main()
128     static_assert((std::is_same<decltype(std::rename("","")), int>::value), "");  in main()
129     static_assert((std::is_same<decltype(std::tmpfile()), std::FILE*>::value), "");  in main()
130     static_assert((std::is_same<decltype(std::tmpnam(cp)), char*>::value), "");  in main()
134     static_assert((std::is_same<decltype(std::getchar()), int>::value), "");  in main()
136     static_assert((std::is_same<decltype(std::gets(cp)), char*>::value), "");  in main()
138     static_assert((std::is_same<decltype(std::scanf(" ")), int>::value), "");  in main()
139     static_assert((std::is_same<decltype(std::vscanf("",va)), int>::value), "");  in main()
143     static_assert((std::is_same<decltype(std::printf(" ")), int>::value), "");  in main()
144     static_assert((std::is_same<decltype(std::putchar(0)), int>::value), "");  in main()
145     static_assert((std::is_same<decltype(std::puts("")), int>::value), "");  in main()
146     static_assert((std::is_same<decltype(std::vprintf(" ",va)), int>::value), "");  in main()