Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:9: error: ‘FILE’ was not declared in this scope user.cpp:9: error: ‘fIn’ was not declared in this scope user.cpp:9: error: ‘fopen’ was not declared in this scope user.cpp:10: error: ‘fOut’ was not declared in this scope user.cpp:11: error: ‘fscanf’ was not declared in this scope user.cpp:34: error: ‘fprintf’ was not declared in this scope user.cpp:42: error: ‘fclose’ was not declared in this scope