Compilare: user.cpp: In function ‘int searchIngredients(char*, int)’: user.cpp:24:46: warning: converting to non-pointer type ‘char’ from NULL [-Wconversion-null] ingredients[nrIngredients][nameLenght] = NULL; ^~~~ user.cpp: In function ‘int main()’: user.cpp:50:31: warning: converting to non-pointer type ‘char’ from NULL [-Wconversion-null] den[nameLenght] = NULL; ^~~~ user.cpp:74:40: warning: ‘nextPos’ may be used uninitialized in this function [-Wmaybe-uninitialized] quantities[nextPos] += number; ^~~~~~