numere9.cpp: In function `int main()': numere9.cpp:40: warning: assignment to non-pointer type `char' from NULL numere9.cpp:40: warning: argument to non-pointer type `char' from NULL numere9.cpp:44: warning: assignment to non-pointer type `char' from NULL numere9.cpp:44: warning: argument to non-pointer type `char' from NULL numere9.cpp:53: warning: assignment to non-pointer type `char' from NULL numere9.cpp:53: warning: argument to non-pointer type `char' from NULL numere9.cpp: In function `char* strcpy(char*, char*)': numere9.cpp:89: warning: assignment to non-pointer type `char' from NULL numere9.cpp:89: warning: argument to non-pointer type `char' from NULL numere9.cpp: In function `char* reverse(char*, char*)': numere9.cpp:100: warning: assignment to non-pointer type `char' from NULL numere9.cpp:100: warning: argument to non-pointer type `char' from NULL