rima.cpp: In function `int main()': rima.cpp:18: warning: assignment to non-pointer type `char' from NULL rima.cpp:18: warning: argument to non-pointer type `char' from NULL rima.cpp:19: warning: assignment to non-pointer type `char' from NULL rima.cpp:19: warning: argument to non-pointer type `char' from NULL rima.cpp:20: warning: assignment to non-pointer type `char' from NULL rima.cpp:20: warning: argument to non-pointer type `char' from NULL rima.cpp:21: warning: assignment to non-pointer type `char' from NULL rima.cpp:21: warning: argument to non-pointer type `char' from NULL rima.cpp:101: warning: NULL used in arithmetic rima.cpp:101: warning: NULL used in arithmetic rima.cpp:101: warning: NULL used in arithmetic rima.cpp:103: warning: NULL used in arithmetic rima.cpp:103: warning: NULL used in arithmetic rima.cpp:103: warning: NULL used in arithmetic rima.cpp:105: warning: NULL used in arithmetic rima.cpp:105: warning: NULL used in arithmetic rima.cpp:105: warning: NULL used in arithmetic rima.cpp:107: warning: NULL used in arithmetic rima.cpp:107: warning: NULL used in arithmetic rima.cpp:107: warning: NULL used in arithmetic