rebus1.cpp: In function `int main()': rebus1.cpp:30: warning: assignment to non-pointer type `char' from NULL rebus1.cpp:30: warning: argument to non-pointer type `char' from NULL rebus1.cpp:39: warning: assignment to non-pointer type `char' from NULL rebus1.cpp:39: warning: argument to non-pointer type `char' from NULL rebus1.cpp:57: warning: assignment to non-pointer type `char' from NULL rebus1.cpp:57: warning: argument to non-pointer type `char' from NULL rebus1.cpp:67: warning: assignment to non-pointer type `char' from NULL rebus1.cpp:67: warning: argument to non-pointer type `char' from NULL rebus1.cpp:75: warning: assignment to non-pointer type `char' from NULL rebus1.cpp:75: warning: argument to non-pointer type `char' from NULL rebus1.cpp:82: warning: assignment to non-pointer type `char' from NULL rebus1.cpp:82: warning: argument to non-pointer type `char' from NULL rebus1.cpp:90: warning: assignment to non-pointer type `char' from NULL rebus1.cpp:90: warning: argument to non-pointer type `char' from NULL rebus1.cpp:107: warning: assignment to non-pointer type `char' from NULL rebus1.cpp:107: warning: argument to non-pointer type `char' from NULL rebus1.cpp:116: warning: assignment to non-pointer type `char' from NULL rebus1.cpp:116: warning: argument to non-pointer type `char' from NULL rebus1.cpp:124: warning: assignment to non-pointer type `char' from NULL rebus1.cpp:124: warning: argument to non-pointer type `char' from NULL /tmp/cciAbBet.o(.text+0x7a): In function `main': : the `gets' function is dangerous and should not be used.