Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:12: error: ‘strlen’ was not declared in this scope user.cpp:14: error: ‘strchr’ was not declared in this scope user.cpp:18: error: ‘strlen’ was not declared in this scope user.cpp:30: warning: name lookup of ‘i’ changed user.cpp:6: warning: matches this ‘i’ under ISO standard rules user.cpp:12: warning: matches this ‘i’ under old rules