Compilare: user.cpp: In function ‘int init()’: user.cpp:10:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int tipar()’: user.cpp:45:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int bkt()’: user.cpp:72:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^