bacan.cpp: In function `int main()': bacan.cpp:28: warning: assignment to non-pointer type `char' from NULL bacan.cpp:28: warning: argument to non-pointer type `char' from NULL bacan.cpp:42: warning: assignment to non-pointer type `char' from NULL bacan.cpp:42: warning: argument to non-pointer type `char' from NULL bacan.cpp:12: warning: `int m' might be used uninitialized in this function bacan.cpp:12: warning: `int poz' might be used uninitialized in this function