Eroare de compilare: user.cpp:1:22: error: fstream.h: No such file or directory user.cpp: In function ‘int cautare()’: user.cpp:11: error: ‘strchr’ was not declared in this scope user.cpp:14: error: ‘strlen’ was not declared in this scope user.cpp:24: error: ‘strlen’ was not declared in this scope user.cpp: In function ‘int main()’: user.cpp:33: error: ‘ifstream’ was not declared in this scope user.cpp:33: error: expected ‘;’ before ‘f’ user.cpp:34: error: ‘ofstream’ was not declared in this scope user.cpp:34: error: expected ‘;’ before ‘g’ user.cpp:35: error: ‘f’ was not declared in this scope user.cpp:47: error: ‘strlen’ was not declared in this scope user.cpp:50: error: ‘g’ was not declared in this scope user.cpp:50: error: ‘endl’ was not declared in this scope user.cpp:52: error: ‘g’ was not declared in this scope