Compilare: main.cpp: In function 'int main()': main.cpp:39:24: warning: passing NULL to non-pointer argument 2 of 'void* memset(void*, int, size_t)' [-Wconversion-null] 39 | memset(val,NULL,10); | ^~~~ In file included from /usr/include/c++/12.2.1/cstring:42, from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:48, from main.cpp:2: /usr/include/string.h:61:37: note: declared here 61 | extern void *memset (void *__s, int __c, size_t __n) __THROW __nonnull ((1)); | ~~~~^~~ main.cpp:77:24: warning: passing NULL to non-pointer argument 2 of 'void* memset(void*, int, size_t)' [-Wconversion-null] 77 | memset(val,NULL,10); | ^~~~ /usr/include/string.h:61:37: note: declared here 61 | extern void *memset (void *__s, int __c, size_t __n) __THROW __nonnull ((1)); | ~~~~^~~ main.cpp:123:9: warning: 'damned' may be used uninitialized [-Wmaybe-uninitialized] 123 | switch(damned) | ^~~~~~ main.cpp:28:10: note: 'damned' was declared here 28 | char damned;//command with unknown value | ^~~~~~