2 0 C:\Users\Administrator\Desktop\abcd\main.cpp In file included from main.cpp
99 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::fpos_t' has not been declared
101 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::clearerr' has not been declared
102 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::fclose' has not been declared
103 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::feof' has not been declared
104 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::ferror' has not been declared
105 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::fflush' has not been declared
106 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::fgetc' has not been declared
107 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::fgetpos' has not been declared
108 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::fgets' has not been declared
109 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::fopen' has not been declared
110 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::fprintf' has not been declared
111 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::fputc' has not been declared
112 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::fputs' has not been declared
113 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::fread' has not been declared
114 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::freopen' has not been declared
115 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::fscanf' has not been declared
116 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::fseek' has not been declared
117 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::fsetpos' has not been declared
118 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::ftell' has not been declared
119 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::fwrite' has not been declared
120 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::getc' has not been declared
121 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::getchar' has not been declared
124 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::gets' has not been declared
126 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::perror' has not been declared
127 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::printf' has not been declared
128 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::putc' has not been declared
129 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::putchar' has not been declared
130 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::puts' has not been declared
131 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::remove' has not been declared
132 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::rename' has not been declared
133 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::rewind' has not been declared
134 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::scanf' has not been declared
135 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::setbuf' has not been declared
136 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::setvbuf' has not been declared
137 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::sprintf' has not been declared
138 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::sscanf' has not been declared
139 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::tmpfile' has not been declared
141 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::tmpnam' has not been declared
143 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::ungetc' has not been declared
144 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::vfprintf' has not been declared
145 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::vprintf' has not been declared
146 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::vsprintf' has not been declared
175 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::snprintf' has not been declared
176 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::vfscanf' has not been declared
177 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::vscanf' has not been declared
178 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::vsnprintf' has not been declared
179 11 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '::vsscanf' has not been declared
185 22 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '__gnu_cxx::snprintf' has not been declared
186 22 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '__gnu_cxx::vfscanf' has not been declared
187 22 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '__gnu_cxx::vscanf' has not been declared
188 22 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '__gnu_cxx::vsnprintf' has not been declared
189 22 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\cstdio [Error] '__gnu_cxx::vsscanf' has not been declared
C:\Users\Administrator\Desktop\abcd\main.cpp In function 'int main()':
5 30 C:\Users\Administrator\Desktop\abcd\main.cpp [Error] 'freopen' was not declared in this scope
29 C:\Users\Administrator\Desktop\abcd\Makefile.win recipe for target 'main.o' failed
The above problem is that there is a problem with the dev environment. After closing dev, open it again and you will be prompted
Solution, reinstall dev
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