/in/hash.c:5:1: error: control reaches end of non-void function [-Werror,-Wreturn-type]
}
^
/in/hash.c:20:1: error: control reaches end of non-void function [-Werror,-Wreturn-type]
}
^
/in/hash.c:25:1: error: control reaches end of non-void function [-Werror,-Wreturn-type]
}
^
3 errors generated.