Eroare de compilare: user.cpp: In function ‘int verificare(int)’: user.cpp:9: error: ‘strlen’ was not declared in this scope user.cpp: In function ‘int main()’: user.cpp:30: error: ‘strlen’ was not declared in this scope user.cpp:33: error: ‘strcpy’ was not declared in this scope user.cpp:43: error: ‘strcpy’ was not declared in this scope user.cpp:51: error: ‘strlen’ was not declared in this scope