rima.cpp: In function `int main()': rima.cpp:39: warning: assignment to non-pointer type `char' from NULL rima.cpp:39: warning: argument to non-pointer type `char' from NULL rima.cpp:41: warning: assignment to non-pointer type `char' from NULL rima.cpp:41: warning: argument to non-pointer type `char' from NULL rima.cpp:57: warning: assignment to non-pointer type `char' from NULL rima.cpp:57: warning: argument to non-pointer type `char' from NULL rima.cpp:59: warning: assignment to non-pointer type `char' from NULL rima.cpp:59: warning: argument to non-pointer type `char' from NULL rima.cpp:75: warning: assignment to non-pointer type `char' from NULL rima.cpp:75: warning: argument to non-pointer type `char' from NULL rima.cpp:77: warning: assignment to non-pointer type `char' from NULL rima.cpp:77: warning: argument to non-pointer type `char' from NULL rima.cpp:93: warning: assignment to non-pointer type `char' from NULL rima.cpp:93: warning: argument to non-pointer type `char' from NULL rima.cpp:95: warning: assignment to non-pointer type `char' from NULL rima.cpp:95: warning: argument to non-pointer type `char' from NULL rima.cpp:15: warning: unused variable `char a' /tmp/ccsVnSOg.o(.text+0xaf): In function `main': : the `gets' function is dangerous and should not be used.