Compilare: user.cpp: In function ‘void baga(int, char*, char*)’: user.cpp:13:12: warning: converting to non-pointer type ‘char’ from NULL [-Wconversion-null] s1[poz]=NULL; ^ user.cpp: In function ‘int rez(char*, char*)’: user.cpp:24:43: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings] if (s[k]=='1') baga (k,s1,"1A3AC"); ^ user.cpp:25:32: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings] else baga (k,s1,"2B"); ^ user.cpp:29:41: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings] if (s[k]=='1') baga (k,s1,"12A"); ^ user.cpp:30:48: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings] else if (s[k]=='3') baga (k,s1,"3BC"); ^ user.cpp: In function ‘int main()’: user.cpp:51:10: warning: converting to non-pointer type ‘char’ from NULL [-Wconversion-null] s[l]=NULL; ^ user.cpp:59:45: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings] else if (s[0]=='1' && rez (s,"12A")) fprintf (g,"1\n"); ^