lgdrum.cpp: In function `bool compar(char*, char*)': lgdrum.cpp:34: warning: comparison between signed and unsigned integer expressions lgdrum.cpp: In function `int main()': lgdrum.cpp:82: warning: passing NULL used for non-pointer argument passing 2 of `void* memset(void*, int, unsigned int)' lgdrum.cpp:82: warning: argument to non-pointer type `int' from NULL /tmp/ccUyK5nf.o(.text+0x3f9): In function `main': : the `gets' function is dangerous and should not be used.